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NEW YORK • TORONTO • LONDON • AUCKLAND • SYDNEYMEXICO CITY • NEW DELHI • HONG KONG • BUENOS AIRES
4400 RReepprroodduucciibbllee SSoollvvee--tthhee--RRiiddddllee AAccttiivviittyy PPaaggeess TThhaatt HHeellpp AAllll KKiiddss MMaasstteerr FFrraaccttiioonnss
by Bob Hugel
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Dedication
Scholastic Inc. grants teachers permission to photocopy the activity sheets from this book for classroom use. No other part of this publication may be reproduced in whole or in part, or stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission of the publisher. For information regarding permission, write to
Scholastic Inc., 557 Broadway, New York, NY 10012.
Cover design by Maria LiljaCover illustration by Kelly KennedyInterior design by Holly Grundon
Interior illustrations by Mike Moran
ISBN 0-439-51377-4Copyright © 2005 by Bob Hugel
All rights reserved.Printed in the U.S.A.
1 2 3 4 5 6 7 8 9 10 40 12 11 10 09 08 07 06 05
To Dana, my favorite girl
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Introduction . . . . . . . . . . . . . . . . . . . . 4
Riddle 1 . . . . . . . . . . . . . . . . . . . . . . . . 5Identifying Fractions
Riddle 2 . . . . . . . . . . . . . . . . . . . . . . . . 6Identifying Fractions
Riddle 3 . . . . . . . . . . . . . . . . . . . . . . . . 7Writing Fractions
Riddle 4 . . . . . . . . . . . . . . . . . . . . . . . . 8Writing Fractions
Riddle 5 . . . . . . . . . . . . . . . . . . . . . . . . 9Identifying Fraction Vocabulary
Riddle 6 . . . . . . . . . . . . . . . . . . . . . . . 10Identifying Equivalent Fractions
Riddle 7 . . . . . . . . . . . . . . . . . . . . . . . 11Simplifying Fractions
Riddle 8 . . . . . . . . . . . . . . . . . . . . . . . 12Simplifying Fractions
Riddle 9 . . . . . . . . . . . . . . . . . . . . . . . 13Comparing Fractions
Riddle 10 . . . . . . . . . . . . . . . . . . . . . . 14Converting Improper Fractions to Mixed Numbers
Riddle 11 . . . . . . . . . . . . . . . . . . . . . . 15Converting Mixed Numbers to Improper Fractions
Riddle 12 . . . . . . . . . . . . . . . . . . . . . . 16Adding Fractions With Like Denominators
Riddle 13 . . . . . . . . . . . . . . . . . . . . . . 17Adding Fractions With Like Denominators
Riddle 14 . . . . . . . . . . . . . . . . . . . . . . 18Adding Fractions With Like Denominators
Riddle 15 . . . . . . . . . . . . . . . . . . . . . . 19Subtracting Fractions With Like Denominators
Riddle 16 . . . . . . . . . . . . . . . . . . . . . . 20Subtracting Fractions With Like Denominators
Riddle 17 . . . . . . . . . . . . . . . . . . . . . . 21Adding Mixed Numbers With Like Denominators
Riddle 18 . . . . . . . . . . . . . . . . . . . . . . 22Subtracting Mixed Numbers With Like Denominators
Riddle 19 . . . . . . . . . . . . . . . . . . . . . . 23Adding Fractions With Unlike Denominators
Riddle 20 . . . . . . . . . . . . . . . . . . . . . 24Adding Fractions With Unlike Denominators
Riddle 21 . . . . . . . . . . . . . . . . . . . . . . 25Subtracting Fractions With Unlike Denominators
Riddle 22 . . . . . . . . . . . . . . . . . . . . . . 26Subtracting Fractions With Unlike Denominators
Riddle 23 . . . . . . . . . . . . . . . . . . . . . . 27Adding & Subtracting Fractions With Unlike Denominators
Riddle 24 . . . . . . . . . . . . . . . . . . . . . . 28Adding Mixed Numbers With Unlike Denominators
Riddle 25 . . . . . . . . . . . . . . . . . . . . . . 29Subtracting Mixed Numbers With Unlike Denominators
Riddle 26 . . . . . . . . . . . . . . . . . . . . . . 30Converting Fractions to Decimals
Riddle 27 . . . . . . . . . . . . . . . . . . . . . . 31Converting Improper Fractions to Decimals
Riddle 28 . . . . . . . . . . . . . . . . . . . . . . 32Comparing Fractions & Decimals
Riddle 29 . . . . . . . . . . . . . . . . . . . . . . 33Converting Ratios to Fractions
Riddle 30 . . . . . . . . . . . . . . . . . . . . . . 34Multiplying Fractions by Fractions
Riddle 31 . . . . . . . . . . . . . . . . . . . . . . 35Multiplying Fractions by Fractions
Riddle 32 . . . . . . . . . . . . . . . . . . . . . . 36Multiplying Fractions by Whole Numbers
Riddle 33 . . . . . . . . . . . . . . . . . . . . . . 37Multiplying Fractions by Improper Fractions and Mixed Numbers
Riddle 34 . . . . . . . . . . . . . . . . . . . . . . 38Multiplying Mixed Numbers
Riddle 35 . . . . . . . . . . . . . . . . . . . . . 39Dividing Whole Numbers by Fractions
Riddle 36 . . . . . . . . . . . . . . . . . . . . . 40Dividing Fractions by Fractions
Riddle 37 . . . . . . . . . . . . . . . . . . . . . 41Dividing Fractions by Fractions
Riddle 38 . . . . . . . . . . . . . . . . . . . . . 42Dividing Fractions by Whole Numbers
Riddle 39 . . . . . . . . . . . . . . . . . . . . . . 43Dividing Mixed Numbers
Riddle 40 . . . . . . . . . . . . . . . . . . . . . . 44Solving Word Problems
Answers . . . . . . . . . . . . . . . . . . . . . . . 45
Contents
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
4
elcome to FunnyBoneBooks: Fractions Practice
Puzzles, a surefire way toget students excited about math.This book combines basic fractionproblems with loads of hilariousriddles guaranteed to get studentsrevved up for learning.
As you may know, one of the keys tohelping students learn successfully is tomake learning fun. That’s why each page of Fractions Practice Puzzles starts with an amusing riddle. Your students will be motivated to solve the fractions problems because the answers will help them find the rib-tickling solution to each riddle.
Along the way, your students will be drilled on several fractionskills, including adding, subtracting, multiplying, and dividing fractions, computing with mixed numbers, simplifying fractions,and solving fraction word problems. We hope your students enjoyFractions Practice Puzzles and benefit from the skills presented inthis book.
By making learning about fractions enjoyable, we hope to reveala wonderful secret to your students—math is lots of fun!
Introduction
W
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
2 4 8 7 9 5 6 1 3 10Let the ___ ___ ___ ___ ___ ___ ___ ___ ___ ___.Riddle Answer
5
What should you do when two snails start fighting?
What To DoFill in the blanks with the correct answer. Match each answer to a letter in the Key. Thenwrite the letter in the space above its problem number to find the answer to the riddle.
IDENTIFYING FRACTIONS
Riddle 1
NAME DATE
This pizza is divided into _____ equal slices.
This pizza is divided into _____ equal slices.
This pizza is divided into _____ equal slices.
This pizza is divided into _____ equal slices.
This pizza is divided into _____ equal slices.
1
2
3
4
5
This pizza is divided into _____ equal slices.
This pizza is divided into _____ equal slices.
This pizza is divided into _____ equal slices.
This pizza is divided into _____ equal slices.
This pizza is divided into _____ equal slices.
6
7
8
9
10
20 . . . . . . . . A
3 . . . . . . . . . T
8 . . . . . . . . U
10 . . . . . . . . U
6 . . . . . . . . . S
4 . . . . . . . . O
50 . . . . . . . . . F
7 . . . . . . . . G
16 . . . . . . . . . E
12 . . . . . . . . . I
11 . . . . . . . . X
9 . . . . . . . . . T
18 . . . . . . . . . B
2 . . . . . . . . M
5 . . . . . . . . . L
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
IDENTIFYING FRACTIONS
What did the egg do when it heard a joke?
What To DoAnswer the questions below. Match each answer to a letter in the Key. Then write the
letter in the space above its problem number to find the answer to the riddle.
NAME DATE
Riddle 2
6
3 7 5 6 2 8 4 1
Riddle Answer
1/8 . . . . . . . . O4/7 . . . . . . . . C3/8 . . . . . . . . D6/7 . . . . . . . . W6/9 . . . . . . . . K1/9 . . . . . . . . . R3/7 . . . . . . . . . E7/9 . . . . . . . . . S2/5 . . . . . . . . . E3/4 . . . . . . . . C2/3 . . . . . . . A1/2 . . . . . . . . D5/8 . . . . . . . . . R1/5 . . . . . . . . M3/5 . . . . . . . . . T5/6 . . . . . . . . A
I ___ ___ ___ ___ ___ ___ ___ ___ up!
What fraction of the shapes are circles? _____
What fraction of the shapes are triangles? _____
What fraction of the shapes are shaded? _____
What fraction of the shapes haveonly three sides? _____
What fraction of the shapes arecircles and squares? _____
What fraction of the shapes arenot squares? _____
What fraction of the shapes are shaded? _____
What fraction of the shapes have no straight sides? _____
1
2
3
4
5
6
7
8
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
7
What do you get froman angry shark?
What To DoWrite the fractions that correspond to the words below.
Match each fraction to a letter in the Key. Then write the letter in the space above its problem number to find the answer to the riddle.
WRITING FRACTIONS
Riddle 3
One-half = __________
One-third = __________
One-quarter = __________
One-sixth = __________
One-eighth = __________
1/5 . . . . . . . . . . W
1/4 . . . . . . . . . . Y
3/5 . . . . . . . . . . W
1/2 . . . . . . . . . . F
2/7 . . . . . . . . . . R
1/6 . . . . . . . . . . A
2/3 . . . . . . . . . . A
1/7 . . . . . . . . . . A
2/2 . . . . . . . . . . M
1/3 . . . . . . . . . . A
1/9 . . . . . . . . . . U
1/8 . . . . . . . . . . S
4/5 . . . . . . . . . . K
3/4 . . . . . . . . . . A
1/25 . . . . . . . . . E
1
2
3
4
5
6
7
8
9
10
One-seventh = __________
Two-thirds = __________
Three-quarters = __________
Three-fifths = __________
Two-sevenths = __________
NAME DATE
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ s possible7 5 1 4 10 6 9 2 3 8
Riddle Answer
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
WRITING FRACTIONS
Which dance did thechicken refuse to do?
What To DoWrite the fractions that correspond to the words below.
Match each fraction to a letter in the Key. Then write the letter in the space above its problem number to find the answer to the riddle.
NAME DATE
Riddle 4
Five-sixths = __________
Seven-elevenths = _________
Nine-sixteenths = __________
Five-eighths = __________
Seven-ninths = __________
7/13 . . . . . . . . . . P
5/13 . . . . . . . . . . K
5/8 . . . . . . . . . . . T
9/16 . . . . . . . . . . H
1/4 . . . . . . . . . . . C
7/11 . . . . . . . . . . R
8/19 . . . . . . . . . . F
5/7 . . . . . . . . . . . L
5/14 . . . . . . . . . . T
12/13 . . . . . . . . . O
5/6 . . . . . . . . . . . E
6/15 . . . . . . . . . . O
7/8 . . . . . . . . . . . A
5/12 . . . . . . . . . . X
7/9 . . . . . . . . . . . T
1
2
3
4
5
6
7
8
9
10
Five-fourteenths = __________
Five-twelfths = __________
Twelve-thirteenths = __________
Eight-nineteenths = __________
Six-fifteenths = __________
8
___ ___ ___ ___ ___ ___ – ___ ___ ___ ___6 3 1 9 10 7 5 2 8 4
Riddle Answer
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
9
Why did the monsterneed a third sock?
What To DoAnswer the questions below. Match each answer to a letter in the Key. Then write the
letter in the space above its problem number to find the answer to the riddle.
IDENTIFYING FRACTION VOCABULARY
He grew a ___ ___ ___ ___ ___ ___ ___ ___ ___ ___.10 8 5 1 7 6 9 2 3 4
Riddle Answer
Riddle 5
NAME DATE
1/2 . . . . . . . . . T
8 . . . . . . . . . L
7 . . . . . . . . O
1 . . . . . . . . K
3 . . . . . . . . O7/6 . . . . . . . . . F5/6 . . . . . . . . O
4 . . . . . . . . G
5 . . . . . . . . H
2 . . . . . . . . . Z
2 1/2 . . . . . . . E
3 1/6 . . . . . . . N
10 . . . . . . . . . T3/2 . . . . . . . . . R
9 . . . . . . . . A
In the fraction , what is the numerator? _____
In the fraction , what is the denominator? _____
In the fraction , what is the numerator? _____
In the fraction , what is the denominator? _____
Which is the proper fraction?
Which is the improper fraction?
Which is the mixed number?
Which is the proper fraction?
Which is the improper fraction?
Which is the mixed number?
1
2
3
4
5
6
7
8
9
10
58
17349
10
7 36
16
56
7 36
16
56
7 36
16
56
122
32
12
122
32
12
122
32
12
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Why was sixscared of seven?
What To DoIn each problem, circle the fraction that is NOT equivalent to the other fractions. Match each answer to a letter in the Key. Then write the letter in the space above
its problem number to find the answer to the riddle.
IDENTIFYING EQUIVALENT FRACTIONS
Riddle 6
1/2 . . . . . . . . . . . B
6/7 . . . . . . . . . . . V
4/5 . . . . . . . . . . . N
4/10 . . . . . . . . . . N
5/45 . . . . . . . . . . O
3/6 . . . . . . . . . . . I6/25 . . . . . . . . . . A
1/9 . . . . . . . . . . . V
1/6 . . . . . . . . . . . N
2/3 . . . . . . . . . . . E
5/2 . . . . . . . . . . . E
7/35 . . . . . . . . . . R
3/4 . . . . . . . . . . . E
1/4 . . . . . . . . . . . T
3/5 . . . . . . . . . . . S
1
2
3
4
5
6
7
8
9
10
NAME DATE
12
23
38
45
19
2050
67
15
515
16
34
69
14
610
545
25
810
735
23
35
24
36
924
35
410
52
2430
625
131525
10
Because se ___ ___ ___ “___ ___ ___” ___ ___ ___ ___.7 1 5 8 3 9 10 2 4 6
Riddle Answer
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Who won the racebetween the two ballsof string?
What To DoWrite the fractions below in simplest terms. Match each answer to a letter in the Key. Then
write the letter in the space above its problem number to find the answer to the riddle.
SIMPLIFYING FRACTIONS
Riddle 7
= _______
= _______
= _______
= _______
= _______
3/8 . . . . . . . . . . . D
2/3 . . . . . . . . . . . R
1/2 . . . . . . . . . . . E
4/7 . . . . . . . . . . . O
2/7 . . . . . . . . . . . T
1/6 . . . . . . . . . . . L
4/9 . . . . . . . . . . . E
3/5 . . . . . . . . . . . P
2/5 . . . . . . . . . . I1/8 . . . . . . . . . . . A
1/3 . . . . . . . . . . . W
1/4 . . . . . . . . . . . E
3/4 . . . . . . . . . . . E
5/6 . . . . . . . . . . . K
1/5 . . . . . . . . . . . Y
1
2
3
4
5
6
7
8
9
10
NAME DATE
24
312
515
420
68
= _______
= _______
= _______
= _______
= _______
69
410
1232
1636
1035
Th ___ ___ ___ ___ ___ ___ ___ ___ ___ ___.9 4 3 5 6 1 10 7 2 8
Riddle Answer
11Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
SIMPLIFYING FRACTIONS
What kind of dog didthe vampire own?
What To DoWrite the fractions below in simplest terms. Match each answer to a letter in the Key. Then
write the letter in the space above its problem number to find the answer to the riddle.
NAME DATE
Riddle 8
12/23 . . . . . . . . . D
3/5 . . . . . . . . . . . N
2/5 . . . . . . . . . . . H
3/8 . . . . . . . . . . . M
12/27 . . . . . . . . . A
9/19 . . . . . . . . . . O
4/11 . . . . . . . . . . L
10/23 . . . . . . . . . I20/29 . . . . . . . . . O
4/5 . . . . . . . . . . . U
1/5 . . . . . . . . . . . C
5/7 . . . . . . . . . . . O
9/22 . . . . . . . . . . A
13/32 . . . . . . . . . B
1/2 . . . . . . . . . . . D
12
A ___ ___ ___ ___ ___ ___ ___ ___ ___ ___5 3 10 7 1 6 9 2 4 8
Riddle Answer
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
2550
3240
2466
4575
2664
= _______
= _______
= _______
= _______
= _______
1025
2757
4892
3549
6087
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
If I have 5 apples in onehand and 6 apples in theother, what would I have?
What To DoCircle the correct answers below. Match each answer to a letter in the Key. Then write
the letter in the space above its problem number to find the answer to the riddle.
COMPARING FRACTIONS
Riddle 9
12/13 . . . . . . . . A
3/4 . . . . . . . . . . F
9/10 . . . . . . . . . H
1/3 . . . . . . . . . . W
1/2 . . . . . . . . . . O
5/6 . . . . . . . . . . B
24/40 . . . . . . . . N
25/70 . . . . . . . . G
4/15 . . . . . . . . . D
1/5 . . . . . . . . . . K
2/3 . . . . . . . . . . U
6/8 . . . . . . . . . . E
18/22 . . . . . . . . S
4/14 . . . . . . . . . T
2/7 . . . . . . . . . . I
NAME DATE
13
T ___ ___ ___ ___ ___ ___ ___ ___ ___ ___1 7 2 6 9 4 3 10 8 5
Riddle Answer
Which fraction is greatest? Which fraction is the least?
6
7
8
9
10
47
34
717
1640
2440
27
23
415
2570
1216
57
12
619
4280
1827
1
2
3
4
5
13
27
414
78
1520
14
56
89
910
1224
15
68
1213
67
1822
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Why is it hard to play sportsagainst a team of big cats?
What To Do
CONVERTING IMPROPER FRACTIONS TO MIXED NUMBERS
Riddle 10
= _______
= _______
= _______
= _______
= _______
2 1/7 . . . . . . . . . E
2 1/3 . . . . . . . . . C
3 8/9 . . . . . . . . . I
3 5/6 . . . . . . . . . A
1 1/3 . . . . . . . . . H
2 4/9 . . . . . . . . . O
1 2/3 . . . . . . . . . E
1 1/2 . . . . . . . . . B
1 5/8 . . . . . . . . . S
4 7/11 . . . . . . . . M
3 1/6 . . . . . . . . . P
4 3/11 . . . . . . . . T
7 1/5 . . . . . . . . . E
2 5/7 . . . . . . . . . R
1 3/5 . . . . . . . . . H
1
2
3
4
5
6
7
8
9
10
NAME DATE
64
106
138
219
157
= _______
= _______
= _______
= _______
= _______
365
236
1610
4711
1612
14
They might ___ ___ ___ ___ ___ ___ ___ ___ ___ ___.1 6 4 8 2 5 9 7 10 3
Riddle Answer
Rewrite the improper fractions below as mixed numbers. Write your answers in simplestterms. Match each answer to a letter in the Key. Then write the letter in the
space above its problem number to find the answer to the riddle.
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Why did the henrun away?
What To Do
CONVERTING MIXED NUMBERS TO IMPROPER FRACTIONS
Riddle 11
= _______
= _______
= _______
= _______
= _______
18/3 . . . . . . . . . O
7/3 . . . . . . . . . . K
7/6 . . . . . . . . . . M
21/4 . . . . . . . . . S
20/3 . . . . . . . . . W
17/5 . . . . . . . . . C
35/4 . . . . . . . . . I18/7 . . . . . . . . . J
3/2 . . . . . . . . . . A
31/4 . . . . . . . . . N
23/5 . . . . . . . . . C
33/4 . . . . . . . . . U
19/2 . . . . . . . . . E
47/6 . . . . . . . . . H
50/4 . . . . . . . . . V
1
2
3
4
5
6
7
8
9
10
NAME DATE
23
7
2
1
4
6
9
8
7
5
5
34
13
12
35
= _______
= _______
= _______
= _______
= _______
23
12
34
56
14
She ___ ___ ___ ___ ___ ___ ___ ___ ___ ___.6 4 10 5 9 8 1 3 7 2
Riddle Answer
15
Rewrite the mixed numbers below as improper fractions. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What does a lionlawyer study?
What To DoSolve the addition problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
ADDING FRACTIONS WITH LIKE DENOMINATORS
Riddle 12
= _______
= _______
= _______
= _______
= _______
5/6 . . . . . . . . . . . J
7/8 . . . . . . . . . . . A
4/9 . . . . . . . . . . . H
1/2 . . . . . . . . . . . T
2/3 . . . . . . . . . . . N
6/7 . . . . . . . . . . . L
2 . . . . . . . . . . . . I4/5 . . . . . . . . . . . E
1 . . . . . . . . . . . . U
3/8 . . . . . . . . . . . B
3/4 . . . . . . . . . . . E
7/9 . . . . . . . . . . . G
2/5 . . . . . . . . . . . M
5/8 . . . . . . . . . . . F
2/7 . . . . . . . . . . . O
1
2
3
4
5
6
7
8
9
10
NAME DATE
12
14
16
15
47
= _______
= _______
= _______
= _______
= _______
+
+
+
+
+
+
+
+
+
+
38
59
26
18
39
12
14
36
35
27
28
29
36
58
19
16
The law o ___ ___ ___ ___ ___ ___ ___ ___ ___ ___6 2 10 4 8 1 3 7 5 9
Riddle Answer
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Where do ghosts go swimming?
ADDING FRACTIONS WITH LIKE DENOMINATORS
Riddle 13
1 7/15 . . . . . . . . A
1 3/8 . . . . . . . . . S
1 2/5 . . . . . . . . . A
1 2/3 . . . . . . . . . O
1 5/6 . . . . . . . . . N
1 1/11 . . . . . . . . D
1 1/4 . . . . . . . . . E
1 1/6 . . . . . . . . . E
1 3/4 . . . . . . . . . G
1 1/2 . . . . . . . . . H
1 1/3 . . . . . . . . . D
1 5/8 . . . . . . . . . I
1 4/5 . . . . . . . . . M
1 4/9 . . . . . . . . . E
1 7/9 . . . . . . . . . T
NAME DATE
17
What To DoSolve the addition problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
23
34
35
46
79
= _______
= _______
= _______
= _______
= _______
+
+
+
+
+
+
+
+
+
+
48
511
89
1215
812
23
24
45
56
69
78
711
89
1015
612
___ ___ ___ ___ ___ ___ ___ ___ ___ ___
Riddle Answer
8 4 10 7 2 9 1 6 5 3
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
How do you stop a rhinoceros from charging?
ADDING FRACTIONS WITH LIKE DENOMINATORS
Riddle 14
1 2/3 . . . . . . . . . L
1 13/24 . . . . . . . I
1 5/8 . . . . . . . . . K
1 1/18 . . . . . . . . D
1 1/4 . . . . . . . . . T
1 4/27 . . . . . . . . E
1 6/39 . . . . . . . . O
1 17/23 . . . . . . . W
1 29/45 . . . . . . . S
1 1/2 . . . . . . . . . M
1 3/5 . . . . . . . . . R
1 7/19 . . . . . . . . D
1 . . . . . . . . . . R
1 13/35 . . . . . . . C
1 1/21 . . . . . . . . A
NAME DATE
18
Take away its c ___ ___ ___ ___ ___ ___ ___ ___ ___ ___.6 4 7 2 9 3 10 1 5 8
Riddle Answer
What To DoSolve the addition problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
1115
1724
2835
2227
736
= _______
= _______
= _______
= _______
= _______
+
+
+
+
+
+
+
+
+
+
2340
1819
3245
2752
2663
1315
2024
2035
27
3136
1740
819
4245
3852
4063
9
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Why didn’t the dogwant to play ball?
What To Do
SUBTRACTING FRACTIONS WITH LIKE DENOMINATORS
Riddle 15
3/7 . . . . . . . . . . . O
4/7 . . . . . . . . . . . I1/5 . . . . . . . . . . . B
1/8 . . . . . . . . . . . X
1/4 . . . . . . . . . . . S
1/2 . . . . . . . . . . . W
3/5 . . . . . . . . . . . D
3/8 . . . . . . . . . . . T
1/9 . . . . . . . . . . . W
2/7 . . . . . . . . . . . E
2/5 . . . . . . . . . . . A
7/8 . . . . . . . . . . . C
1/3 . . . . . . . . . . . R
2/9 . . . . . . . . . . . U
1/6 . . . . . . . . . . . A
NAME DATE
I ___ ___ ___ ___ ___ ___ ___ ___ ___ ___.2 7 3 1 10 5 6 8 9 4
Riddle Answer
19
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
34
78
35
56
45
= _______
= _______
= _______
= _______
= _______
–
–
–
–
–
–
–
–
–
–
47
39
68
57
36
24
48
15
36
35
17
9
58
37
26
Solve the subtraction problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
2
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Where did the monster gowhen she lost her hand?
SUBTRACTING FRACTIONS WITH LIKE DENOMINATORS
Riddle 16
2/5 . . . . . . . . . . . N
8/17 . . . . . . . . . . R
1/6 . . . . . . . . . . . D
2/3 . . . . . . . . . . . N
1/2 . . . . . . . . . . . K
4/9 . . . . . . . . . . . O
3/8 . . . . . . . . . . . A
3/25 . . . . . . . . . . S
7/17 . . . . . . . . . . H
1/5 . . . . . . . . . . . Q
9/20 . . . . . . . . . . P
2/9 . . . . . . . . . . . I7/13 . . . . . . . . . . H
1/3 . . . . . . . . . . . V
3/5 . . . . . . . . . . . D
NAME DATE
20
A seco ___ ___ – ___ ___ ___ ___ ___ ___ ___ ___7 2 6 4 1 9 5 8 10 3
Riddle Answer
What To Do
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
89
1315
1820
2032
2325
= _______
= _______
= _______
= _______
= _______
–
–
–
–
–
–
–
–
–
–
3034
2140
3852
1218
4045
29
415
920
832
2025
1634
540
1052
918
2045
Solve the subtraction problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What is big, gray, and flies straight up?
ADDING MIXED NUMBERS WITH LIKE DENOMINATORS
Riddle 17
11 1/8 . . . . . . . . L
6 2/3 . . . . . . . . . E
2 . . . . . . . . . . . . U
16 . . . . . . . . . . . M
5 4/9 . . . . . . . . . E
4 . . . . . . . . . . . . T
14 1/3 . . . . . . . . N
3 . . . . . . . . . . . . O
10 1/7 . . . . . . . . C
15 . . . . . . . . . . . K
8 2/3 . . . . . . . . . P
6 1/8 . . . . . . . . . E
12 . . . . . . . . . . . D
7 4/5 . . . . . . . . . R
1 . . . . . . . . . . . . C
NAME DATE
A ___ ‘___ ___ ___ ___ ___ ___ ___ ___ ___7 4 8 10 6 1 3 2 9 5
Riddle Answer
21
What To Do
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
12
14
13
16
25
+
+
+
+
+
12
34
13
36
25
Solve the addition problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
1 1
2 1
5 3
4 2
1 6
= _______
= _______
= _______
= _______
= _______
37
49
38
79
28
+
+
+
+
+
57
89
68
69
78
3 6
8 5
4 6
3 1
2 3
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Why did the tennis playerhit the ball softly?
SUBTRACTING MIXED NUMBERS WITH LIKE DENOMINATORS
Riddle 18
3 1/6 . . . . . . . . . A
4 5/8 . . . . . . . . . U
3 1/2 . . . . . . . . . A
1 1/5 . . . . . . . . . E
2 5/7 . . . . . . . . . B
2 1/4 . . . . . . . . . C
3 2/5 . . . . . . . . . P
1 1/3 . . . . . . . . . K
4 1/3 . . . . . . . . . K
2 2/7 . . . . . . . . . M
1 2/3 . . . . . . . . . S
4 3/5 . . . . . . . . . T
2 2/5 . . . . . . . . . R
2 2/6 . . . . . . . . . M
2 4/7 . . . . . . . . . E
NAME DATE
22
So he wouldn’t ___ ___ ___ ___ a ___ ___ ___ ___ ___ ___.3 4 7 9 2 8 5 1 10 6
Riddle Answer
What To Do
= _______
= _______
= _______
= _______
= _______
6
7
8
9
10
1
2
3
4
5
23
45
57
34
38
–
–
–
–
–
13
25
37
14
18
Solve the subtraction problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
2 1
5 3
8 6
4 1
6 4
= _______
= _______
= _______
= _______
= _______
45
79
56
45
67
–
–
–
–
–
15
49
46
35
27
9 5
7 3
10 7
3 2
5 3
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Why couldn’t theghost tell a lie?
ADDING FRACTIONS WITH UNLIKE DENOMINATORS
Riddle 19
5/9 . . . . . . . . . . H
3/10 . . . . . . . . . E
2 . . . . . . . . . . . A
5/8 . . . . . . . . . . R
6 . . . . . . . . . . . J
9/14 . . . . . . . . . O
11/18 . . . . . . . . H
4/9 . . . . . . . . . . K
1 . . . . . . . . . . . G
7/10 . . . . . . . . . U
17/35 . . . . . . . . I5/6 . . . . . . . . . . H
3/4 . . . . . . . . . . S
13/20 . . . . . . . . M
7/12 . . . . . . . . . T
NAME DATE
You can see right ___ ___ ___ ___ ___ ___ ___ ___ ___ ___.6 3 10 9 4 7 8 1 5 2
Riddle Answer
23
What To Do
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
12
25
16
310
27
= _______
= _______
= _______
= _______
= _______
+
+
+
+
+
+
+
+
+
+
13
23
29
214
38
13
14
49
25
15
14
26
13
12
14
Solve the addition problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What do you get if you cross a sheepdog with a tulip?
ADDING FRACTIONS WITH UNLIKE DENOMINATORS
Riddle 20
41/50 . . . . . . . . . B
29/30 . . . . . . . . . O
2 4/5 . . . . . . . . . A
1 11/24 . . . . . . . F
31/47 . . . . . . . . . X
1 3/10 . . . . . . . . L
1 4/9 . . . . . . . . . I
1 17/55 . . . . . . . U
1 7/44 . . . . . . . . L
1 7/11 . . . . . . . . M
31/35 . . . . . . . . . E
1 7/40 . . . . . . . . L
1 7/100 . . . . . . . W
37/60 . . . . . . . . . R
1 1/4 . . . . . . . . . E
NAME DATE
24
A co ___ ___ ___ ___ – ___ ___ ___ ___ ___ ___9 4 5 1 2 6 7 10 3 8
Riddle Answer
What To DoSolve the addition problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
34
56
27
38
79
= _______
= _______
= _______
= _______
= _______
+
+
+
+
+
+
+
+
+
+
1011
415
920
1415
1325
12
58
35
45
46
14
710
318
1130
1120
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What did the orangutan call his wife?
SUBTRACTING FRACTIONS WITH UNLIKE DENOMINATORS
Riddle 21
1/24 . . . . . . . . . . A
1/8 . . . . . . . . . . W
1/21 . . . . . . . . . . S
1/2 . . . . . . . . . . . E
1/4 . . . . . . . . . . M
1/5 . . . . . . . . . . . E
4/25 . . . . . . . . . . T
1/25 . . . . . . . . . . O
3/10 . . . . . . . . . . M
3/16 . . . . . . . . . . I
1/9 . . . . . . . . . . . P
3/5 . . . . . . . . . . . S
5/16 . . . . . . . . . . K
0 . . . . . . . . . . . R
1/15 . . . . . . . . . . N
NAME DATE
25
Hi ___ ___ ___ ___ ___ ___ – ___ ___ ___ ___10 7 8 1 3 2 6 9 4
Riddle Answer
What To Do
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
710
34
56
1315
912
= _______
= _______
= _______
= _______
= _______
–
–
–
–
–
–
–
–
–
–
1024
2836
716
4850
2042
5
12
13
23
34
38
46
14
2025
37
Solve the subtraction problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
5
2
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What do you say when you meet a two-headed dragon?
SUBTRACTING FRACTIONS WITH UNLIKE DENOMINATORS
Riddle 22
13/120 . . . . . . . . U
5/21 . . . . . . . . . . E
1/8 . . . . . . . . . . . L
7/24 . . . . . . . . . . O
3/5 . . . . . . . . . . . P
1/10 . . . . . . . . . . E
23/44 . . . . . . . . . A
11/120 . . . . . . . . L
10/21 . . . . . . . . . M
5/24 . . . . . . . . . . L
17/44 . . . . . . . . . L
3/8 . . . . . . . . . . . R
1/18 . . . . . . . . . . H
1/5 . . . . . . . . . . . O
17/30 . . . . . . . . . H
NAME DATE
26
“___ ___ ___ ___ ___! ___ ___ ___ ___ ___!“5 8 3 6 10 7 1 4 2 9
Riddle Answer
What To Do
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
47
58
711
78
910
= _______
= _______
= _______
= _______
= _______
–
–
–
–
–
–
–
–
–
–
715
59
415
920
2032
13
12
14
23
26
38
2
16
28
26
Solve the subtraction problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
1
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What did one keyboard say to another keyboard?
ADDING & SUBTRACTING FRACTIONS WITH UNLIKE DENOMINATORS
Riddle 23
4/5 . . . . . . . . . . . W
7/18 . . . . . . . . . . U
11/30 . . . . . . . . . Y
1 . . . . . . . . . . . . U
35/36 . . . . . . . . . P
13/26 . . . . . . . . . B
7/40 . . . . . . . . . . M
55/96 . . . . . . . . . T
2/5 . . . . . . . . . . . E
1/2 . . . . . . . . . . . C
9/44 . . . . . . . . . . D
8/9 . . . . . . . . . . . Y
3/26 . . . . . . . . . . E
37/44 . . . . . . . . . A
31/40 . . . . . . . . . R
NAME DATE
27
“Yo ___ ___ ___ ___ ___ ___ ___ ___ ___ ___.”6 2 8 9 1 5 7 4 10 3
Riddle Answer
What To DoSolve the addition and subtraction problems below. Write your answers in simplestterms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
58
34
12
23
56
= _______
= _______
= _______
= _______
= _______
–
+
–
+
–
+
–
+
–
+
710
812
38
45
512
920
111
513
29
715
930
332
410
820
2036
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What do frogs say whenthey meet each other?
ADDING MIXED NUMBERS WITH UNLIKE DENOMINATORS
12 13/18 . . . . . . A
7 5/7 . . . . . . . . . Y
4 7/8 . . . . . . . . . W
6 7/15 . . . . . . . . N
10 27/50 . . . . . . I
6 3/4 . . . . . . . . . U
4 5/8 . . . . . . . . . P
11 5/6 . . . . . . . . H
11 1/15 . . . . . . . W
12 17/18 . . . . . . E
7 1/2 . . . . . . . . . T
6 2/3 . . . . . . . . . M
16 5/8 . . . . . . . . I
11 1/6 . . . . . . . . J
11 23/36 . . . . . . O
NAME DATE
28
“Warts ___ ___ ___ ___ ___ ___ ___ ___ ___ ___?”8 10 6 4 9 2 3 7 5 1
Riddle Answer
Riddle 24
What To Do
= _______
= _______
= _______
= _______
= _______
6
7
8
9
10
1
2
3
4
5
12
15
23
18
29
+
+
+
+
+
14
310
16
34
512
Solve the addition problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
2 4
4 3
6 5
1 3
7 4
= _______
= _______
= _______
= _______
= _______
35
37
26
12
56
+
+
+
+
+
715
621
430
18
19
8 2
3 4
5 1
10 6
9 3
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What kind of horse alwayslooks fashionable?
SUBTRACTING MIXED NUMBERS WITH UNLIKE DENOMINATORS
Riddle 25
3 3/8 . . . . . . . . . U
4 1/8 . . . . . . . . . E
2 1/3 . . . . . . . . . O
2 1/4 . . . . . . . . . T
5 7/12 . . . . . . . . X
6 4/35 . . . . . . . . H
4 1/30 . . . . . . . . S
2 1/2 . . . . . . . . . A
3 1/8 . . . . . . . . . R
11 3/44 . . . . . . . H
7 2/9 . . . . . . . . . S
6 7/35 . . . . . . . . D
3 4/15 . . . . . . . . O
2 2/3 . . . . . . . . . M
5 5/12 . . . . . . . . E
NAME DATE
29
A cl ___ ___ ___ ___ ___ ___ ___ ___ ___ ___6 1 9 5 10 7 3 2 8 4
Riddle Answer
What To Do
= _______
= _______
= _______
= _______
= _______
6
7
8
9
10
1
2
3
4
5
34
38
46
12
23
–
–
–
–
–
12
14
13
38
14
Solve the subtraction problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space
above its problem number to find the answer to the riddle.
6 4
5 2
9 7
12 8
10 5
= _______
= _______
= _______
= _______
= _______
35
25
56
911
89
–
–
–
–
–
13
27
45
34
23
7 4
15 9
8 4
14 3
20 13
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What did the hot dogsay to the hamburger?
CONVERTING FRACTIONS TO DECIMALS
Riddle 26
0.375 . . . . . . . . C0.825 . . . . . . . . J0.5 . . . . . . . . . . N0.425 . . . . . . . . B0.9 . . . . . . . . . . E
0.75 . . . . . . . . . O0.2 . . . . . . . . . . I0.125 . . . . . . . . A0.625 . . . . . . . . I0.6 . . . . . . . . . . M
0.325 . . . . . . . . S0.4 . . . . . . . . . . T0.25 . . . . . . . . . E0.8 . . . . . . . . . . T0.675 . . . . . . . . Y
NAME DATE
30
“___ ___ ___ ___ ___ ___ ___ ___ ___ ___ you!”3 9 7 10 8 2 4 5 6 1
Riddle Answer
What To DoWrite the decimal equivalents of the fractions below. Match each answer to a letter in the Key. Then write the letter in the space above its problem
number to find the answer to the riddle.
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
45
34
12
35
14
= _______
= _______
= _______
= _______
= _______
18
38
25
58
910
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
If you had 10 cows and 10 goats, what would you have?
CONVERTING IMPROPER FRACTIONS TO DECIMALS
Riddle 27
2.5 . . . . . . . . L2.1 . . . . . . . . P9.5 . . . . . . . . M
11.2 . . . . . . . . T7.2 . . . . . . . . S
6.7 . . . . . . . . E1.6 . . . . . . . . K7.1 . . . . . . . . I4.25 . . . . . . . O
13.1 . . . . . . . . A
5.25 . . . . . . . O9.6 . . . . . . . . U3.25 . . . . . . . F7.5 . . . . . . . . N5.8 . . . . . . . . L
NAME DATE
31
___ ___ ___ ___ ___ ___ ___ ___ ___ ___9 5 6 4 2 7 8 10 1 3
Riddle Answer
What To DoWrite the decimal equivalents of the improper fractions below.
Match each answer to a letter in the Key. Then write the letter in the space above its problem number to find the answer to the riddle.
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
52
174
85
365
428
= _______
= _______
= _______
= _______
= _______
565
268
192
8715
7110
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
When is the best time to tell a joke?
COMPARING FRACTIONS & DECIMALS
Riddle 28
NAME DATE
32
In the ___ ___ ___ ___ ___ ___ ___ ___ – ___ ___ on10 6 2 7 5 3 4 9 1 8
Riddle Answer
What To DoCircle the correct answers below. Match each answer to a letter in the Key. Then write
the letter in the space above its problem number to find the answer to the riddle.
Which is the greatest? 0.05 0.2
Which is the greatest? 0.75 0.6
Which is the greatest? 1.2
Which is the greatest? 3.25
Which is the greatest? 1.25
Which is the least? 0.04 0.4
Which is the least? 3.2 0.032
Which is the least? 2.1
Which is the least? 2.96
Which is the least? 5.6
1
2
3
4
5
6
7
8
9
10
0.032 . . . . . . G
0.05 . . . . . . . B
0.75 . . . . . . . U
2 1/2 . . . . . . . T2/3 . . . . . . . . O1/2 . . . . . . . . N
2.96 . . . . . . . R16/8 . . . . . . . . O6/4 . . . . . . . . C
5 1/6 . . . . . . . L
3 2/3 . . . . . . . E12/5 . . . . . . . . L
4 1/2 . . . . . . . H
1.25 . . . . . . . R
0.04 . . . . . . . A
12
23
12
64
23
94
1214
125
32100
15
168
13
296
457
4
5
2
4
3
2
16
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What is a baby elephantafter she is eight weeks old?
CONVERTING RATIOS TO FRACTIONS
Riddle 29
4 . . . . . . . . . . . . Q
8/11 . . . . . . . . . . E
6/7 . . . . . . . . . . . E
2/5 . . . . . . . . . . . N
14/33 . . . . . . . . . W
2 1/2 . . . . . . . . . M
4/5 . . . . . . . . . . . D
1/4 . . . . . . . . . . . K
1 5/11 . . . . . . . . Z
11/16 . . . . . . . . . S
2/23 . . . . . . . . . . L
12/20 . . . . . . . . . P
14/43 . . . . . . . . . A
2/3 . . . . . . . . . . . E
3/5 . . . . . . . . . . . O
NAME DATE
33
Ni ___ ___ ___ ___ ___ ___ ___ ___ ___ ___3 10 6 5 7 1 2 4 8 9
Riddle Answer
What To DoRewrite the ratios below as fractions. Write your answers in simplest terms.
Match each answer to a letter in the Key. Then write the letter in the space above its problem number to find the answer to the riddle.
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
:
:
:
:
:
1
11
8
15
6
4
16
20
25
7
= _______
= _______
= _______
= _______
= _______
6
7
8
9
10
:
:
:
:
:
14
26
2
32
40
33
39
23
40
55
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
MULTIPLYING FRACTIONS BY FRACTIONS
Riddle 30
1/9 . . . . . . . . . . T
8/21 . . . . . . . . . A
7/48 . . . . . . . . . E
3/20 . . . . . . . . . D
1/6 . . . . . . . . . . O
18/56 . . . . . . . . F
2/5 . . . . . . . . . . D
3/14 . . . . . . . . . N
8/23 . . . . . . . . . G
15/56 . . . . . . . . S
3/28 . . . . . . . . . A
1/8 . . . . . . . . . . H
5/48 . . . . . . . . . A
3/4 . . . . . . . . . . I1/4 . . . . . . . . . . L
NAME DATE
34
An open- ___ ___ ___ ___ ___ ___ ___ ___ ___ ___6 1 4 9 10 2 7 3 5 8
Riddle Answer
What is a frog’s favorite shoe?
What To DoSolve the multiplication problems below. Write your answers in simplest terms.
Match each answer to a letter in the Key. Then write the letter in the space above its problem number to find the answer to the riddle.
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
12
34
25
47
18
= _______
= _______
= _______
= _______
= _______
x
x
x
x
x
x
x
x
x
x
29
24
34
69
38
13
17
38
23
56
12
37
26
35
57
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What did the elephant say when his tail was grabbed?
MULTIPLYING FRACTIONS BY FRACTIONS
Riddle 31
16/21 . . . . . . . . . O
5/12 . . . . . . . . . . M
34/77 . . . . . . . . . A
1/3 . . . . . . . . . . . T
27/40 . . . . . . . . . E
2/3 . . . . . . . . . . . C
5/8 . . . . . . . . . . . E
8/25 . . . . . . . . . . H
36/77 . . . . . . . . . D
7/12 . . . . . . . . . . L
7/24 . . . . . . . . . . F
10/21 . . . . . . . . . N
3/8 . . . . . . . . . . . K
9/24 . . . . . . . . . . I
7/36 . . . . . . . . . . E
NAME DATE
35
“That’s ___ ___ ___ ___ ___ ___ ___ ___ ___ ___!”1 5 10 8 2 7 4 6 9 3
Riddle Answer
What To DoSolve the multiplication problems below. Write your answers in simplest terms.
Match each answer to a letter in the Key. Then write the letter in the space above its problem number to find the answer to the riddle.
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
49
57
910
89
25
= _______
= _______
= _______
= _______
= _______
x
x
x
x
x
x
x
x
x
x
79
47
78
23
34
34
23
68
67
45
38
911
29
58
56
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
MULTIPLYING FRACTIONS BY WHOLE NUMBERS
Riddle 32
3 . . . . . . . . . . . . T
1 1/3 . . . . . . . . . S
12 . . . . . . . . . . . A
1 4/5 . . . . . . . . . E
4 . . . . . . . . . . . . S
5/7 . . . . . . . . . . . H
1/2 . . . . . . . . . . . B
1 . . . . . . . . . . . . N
15 . . . . . . . . . . . I
1 3/5 . . . . . . . . . U
5 . . . . . . . . . . . . E
3/4 . . . . . . . . . . . K
2 5/11 . . . . . . . . M
2/3 . . . . . . . . . . . Y
3 8/9 . . . . . . . . . T
NAME DATE
36
It driv ___ ___ ___ ___ ___ ___ ___ ___ ___ ___!10 4 7 5 3 9 1 8 6 2
Riddle Answer
What To Do
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
14
23
35
46
57
x
x
x
x
x
4
6
3
2
1
= _______
= _______
= _______
= _______
= _______
6
7
8
9
10
68
79
810
911
1012
x
x
x
x
x
4
5
2
3
6
Solve the multiplication problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space above
its problem number to find the answer to the riddle.
How do squirrels feel when you hide their food?
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Why were the elephants asked to leave the swimming pool?
MULTIPLYING FRACTIONS BY IMPROPER FRACTIONS AND MIXED NUMBERS
Riddle 33
1 9/10 . . . . . . . . R
2 . . . . . . . . . . . . S
4 1/5 . . . . . . . . . T
4 1/2 . . . . . . . . . M
1 4/5 . . . . . . . . . K
4 . . . . . . . . . . . . K
3 . . . . . . . . . . . . A
3 3/8 . . . . . . . . . E
5 1/2 . . . . . . . . . N
5 . . . . . . . . . . . . D
1 3/4 . . . . . . . . . O
2 1/2 . . . . . . . . . P
6 1/3 . . . . . . . . . W
2 3/4 . . . . . . . . . U
6 . . . . . . . . . . . . E
NAME DATE
37
They couldn’t ___ ___ ___ ___ their ___ ___ ___ ___ ___ ___ up.7 3 9 1 10 5 2 6 4 8
Riddle Answer
What To DoSolve the multiplication problems below. Write your answers in simplest terms.
Match each answer to a letter in the Key. Then write the letter in the space above its problem number to find the answer to the riddle.
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
13
12
13
14
15
= _______
= _______
= _______
= _______
= _______
x
x
x
x
x
x
x
x
x
x
23
78
67
45
810
152
224
818
365
9510
14
47
3936
14
8
4
2
7
5
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
MULTIPLYING MIXED NUMBERS
Riddle 34
22 1/2 . . . . . . . . D
2 3/10 . . . . . . . . G
38 1/2 . . . . . . . . U
24 2/15 . . . . . . . T
4 . . . . . . . . . . . . L
22 2/3 . . . . . . . . I
12 . . . . . . . . . . . O
69 2/3 . . . . . . . . R
18 1/3 . . . . . . . . D
19 1/4 . . . . . . . . A
4 7/24 . . . . . . . . W
25 1/2 . . . . . . . . U
9 . . . . . . . . . . . . K
28 . . . . . . . . . . . E
6 1/2 . . . . . . . . . F
NAME DATE
38
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ res7 3 5 2 8 9 6 10 1 4
Riddle Answer
What do you call cows that can’t produce milk?
What To Do
= _______
= _______
= _______
= _______
= _______
6
7
8
9
10
1
2
3
4
5
35
15
14
56
68
x
x
x
x
x
12
23
29
35
211
1 2
4 6
8 2
5 6
2 8
= _______
= _______
= _______
= _______
= _______
23
45
13
78
12
x
x
x
x
x
14
34
36
13
23
3 5
6 3
7 9
4 1
8 2
What To Do
1
2
3
4
5
Solve the multiplication problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space above
its problem number to find the answer to the riddle.
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What did the banana dowhen it saw the monkey?
DIVIDING WHOLE NUMBERS BY FRACTIONS
Riddle 35
27 . . . . . . . . . . . . . E54 . . . . . . . . . . . . . L128 . . . . . . . . . . . . A75 . . . . . . . . . . . . . G33 . . . . . . . . . . . . . T
25 . . . . . . . . . . . . . A80 . . . . . . . . . . . . . N14 . . . . . . . . . . . . . F20 . . . . . . . . . . . . . A15 . . . . . . . . . . . . . O
192 . . . . . . . . . . . . N45 . . . . . . . . . . . . . . I100 . . . . . . . . . . . . P64 . . . . . . . . . . . . . . K50 . . . . . . . . . . . . . . S
NAME DATE
39
The b ___ ___ ___ ___ ___ ___ ___ ___ ___ ___!1 7 10 8 3 5 2 6 4 9
Riddle Answer
What To Do
= _______
= _______
= _______
= _______
= _______
÷
÷
÷
÷
÷
12
15
35
23
25
10
20
15
30
20
What To Do
1
2
3
4
5
= _______
= _______
= _______
= _______
= _______
÷
÷
÷
÷
÷
23
510
26
23
38
36
40
64
22
48
6
7
8
9
10
Solve the division problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space above its
problem number to find the answer to the riddle.
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
DIVIDING FRACTIONS BY FRACTIONS
Riddle 36
6 2/3 . . . . . . . . . C
3 . . . . . . . . . . . . U
2 . . . . . . . . . . . . M
6 3/5 . . . . . . . . . J
1 1/2 . . . . . . . . . A
35/36 . . . . . . . . . E
9/10 . . . . . . . . . . H
4 1/2 . . . . . . . . . I
5 . . . . . . . . . . . . S
1 3/4 . . . . . . . . . R
2/3 . . . . . . . . . . . H
1 . . . . . . . . . . . . E
7/10 . . . . . . . . . . T
4 3/4 . . . . . . . . . O
3 3/5 . . . . . . . . . P
NAME DATE
40
___ ___ ___ ___ ___ ___ ___ ___ ___ ___!8 5 1 9 6 10 4 2 7 3
Riddle Answer
What To DoSolve the division problems below. Write your answers in simplest terms.
Match each answer to a letter in the Key. Then write the letter in the space above its problem number to find the answer to the riddle.
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
12
46
35
910
35
= _______
= _______
= _______
= _______
= _______
÷
÷
÷
÷
÷
÷
÷
÷
÷
÷
710
34
56
7927
12
13
16
15
23
25
14
18
45
37
What do you do for a blue elephant?
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What do you call a crate full of ducks?
DIVIDING FRACTIONS BY FRACTIONS
Riddle 37
5 4/5 . . . . . . . . . W
11/15 . . . . . . . . . I
3 1/3 . . . . . . . . . E
1 1/2 . . . . . . . . . C
1 2/9 . . . . . . . . . P
1 1/9 . . . . . . . . . S
9/10 . . . . . . . . . . A
5 3/5 . . . . . . . . . Q
2 1/6 . . . . . . . . . U
1 1/24 . . . . . . . . R
1 15/17 . . . . . . . F
1 31/36 . . . . . . . M
7/12 . . . . . . . . . . D
9/14 . . . . . . . . . . K
11/12 . . . . . . . . . O
NAME DATE
41
A box ___ ___ ___ ___ ___ ___ ___ ___ ___ ___5 8 2 7 10 9 3 6 4 1
Riddle Answer
What To DoSolve the division problems below. Write your answers in simplest terms.
Match each answer to a letter in the Key. Then write the letter in the space above its problem number to find the answer to the riddle.
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
6
7
8
9
10
1012
1415
920
712
2230
= _______
= _______
= _______
= _______
= _______
÷
÷
÷
÷
÷
÷
÷
÷
÷
÷
3036
1315
2434
3642
2750
34
16
710
1425
45
14
25
38
47
35
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Where do frogs put their money?
DIVIDING FRACTIONS BY WHOLE NUMBERS
Riddle 38
9/43 . . . . . . . . . . D
2/35 . . . . . . . . . . R
1/4 . . . . . . . . . . N
15/58 . . . . . . . . . B
15/31 . . . . . . . . . P
1/13 . . . . . . . . . . E
2/13 . . . . . . . . . . K
11/74 . . . . . . . . . A
17/29 . . . . . . . . O
8/41 . . . . . . . . . I
25/57 . . . . . . . . . U
5/18 . . . . . . . . . V
1/7 . . . . . . . . . . . A
4/53 . . . . . . . . . . L
1/12 . . . . . . . . . . R
NAME DATE
42
In ___ ___ ___ ___ ___ ___ ___ ___ ___ ___5 6 3 8 10 1 7 9 4 2
Riddle Answer
What To Do
= _______
= _______
= _______
= _______
= _______
1
2
3
4
5
2436
2026
3241
2856
5574
÷
÷
÷
÷
÷
8
5
4
2
5
= _______
= _______
= _______
= _______
= _______
6
7
8
9
10
1835
4558
7590
4563
2439
÷
÷
÷
÷
÷
9
3
3
5
8
Solve the division problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space above
its problem number to find the answer to the riddle.
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
Why did the spider buy a car?
DIVIDING MIXED NUMBERS
Riddle 39
33 27/32 . . . . . . Y
6 1/3 . . . . . . . . . F
17 1/15 . . . . . . . E
1 47/165 . . . . . . O
2 8/9 . . . . . . . . . S
2 2/5 . . . . . . . . . B
2 1/3 . . . . . . . . . I
1 1/2 . . . . . . . . . R
2 25/58 . . . . . . . N
5/12 . . . . . . . . . . T
1 2/13 . . . . . . . . A
14 3/4 . . . . . . . . L
2/3 . . . . . . . . . . . I
2 6/7 . . . . . . . . . P
2 3/8 . . . . . . . . . W
NAME DATE
43
To take ___ ___ ___ ___ ___ ___ ___ ___ ___ ___8 2 6 9 1 10 7 3 4 5
Riddle Answer
What To Do
= _______
= _______
= _______
= _______
= _______
6
7
8
9
10
1
2
3
4
5
18
23
3715
78
÷
÷
÷
÷
÷
34
25
15
310
512
Solve the division problems below. Write your answers in simplest terms. Match each answer to a letter in the Key. Then write the letter in the space above
its problem number to find the answer to the riddle.
7 4
2 6
3 1
4 6
5 2
= _______
= _______
= _______
= _______
= _______
49
56
45
910
12
÷
÷
÷
÷
÷
13
68
315
38
56
8 1
10 3
9 4
15 12
12 10
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
What did the ghost eat for lunch?
SOLVING WORD PROBLEMS
Riddle 40
NAME DATE
44
___ ___ ___ ___ – ___ ___ ___ ___ ___ ___ andwich8 6 9 2 7 5 10 3 4 1
Riddle Answer
What To DoSolve the problems below. Write your answers in simplest terms.
Match each answer to a letter in the Key. Then write the letter in the space above its problem number to find the answer to the riddle.
15 . . . . . . . . L
7 . . . . . . . . . . . F5/9 . . . . . . . . . Y13/20 . . . . . . . E
24 . . . . . . . . O
8 . . . . . . . . . N10/11 . . . . . . . O1/4 . . . . . . . . . E4/5 . . . . . . . . . B
12 . . . . . . . . K7/20 . . . . . . . . O2/3 . . . . . . . . O4/17 . . . . . . . . N3/5 . . . . . . . . . S
6 . . . . . . . . . A
There are 10 apples. Six of the apples are green. What fraction of theapples are green? __________
There are 20 pens. Thirteen of the pens are black. Seven of the pens are blue. What fraction of the pens are blue? __________
There are 12 pieces of fruit in a basket. There are 3 bananas, 5 apples,and 4 oranges. What fraction of the fruits are bananas? __________
There are 9 crayons. Four of the crayons are blue. Two of the crayons are yellow. Three of the crayons are red. What fraction of the crayons are not blue? __________
There are 11 cups. Six of the cups contain milk. One of the cups contains soda. Four of the cups contain water. What fraction of the cups contain milk and water? __________
There are 15 T-shirts. Twelve of the shirts are brown. What fraction of theshirts are brown? __________
There are 50 pairs of pants. One-half of the pants are black. One-fifth ofthe pants are tan. How many pairs of pants are not black or tan? _______
There are 36 pairs of shoes. One-third of the pairs of shoes are green.One-half of the pairs of shoes are red. How many pairs of shoes are notred or green? __________
There are 40 balls. One-fourth are footballs. One-tenth are soccer balls.One-half are basketballs. How many are basketballs and soccer balls? _____
There are 17 pictures. Eight of the pictures are of Jim. Four of the pictures are of Marla. What fraction of the pictures are of Marla? ________
1
2
3
4
5
6
7
8
9
10
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
45
Riddle 1 (page 5)1. 42. 23. 84. 65. 126. 37. 108. 59. 7
10. 9What should you do when two snails start fighting? Let them slug it out.
Riddle 2 (page 6)1. 1/22. 3/43. 3/54. 2/55. 5/86. 5/67. 4/78. 6/9
What did the egg do when it heard a joke? It cracked up!
Riddle 3 (page 7)1. 1/22. 1/33. 1/44. 1/65. 1/86. 1/77. 2/38. 3/49. 3/5
10. 2/7What do you get from an angry shark? As far away as possible
Riddle 4 (page 8)1. 5/62. 7/113. 9/164. 5/85. 7/96. 5/147. 5/128. 12/139. 8/19
10. 6/15Which dance did the chicken refuse to do? The fox-trot
Riddle 5 (page 9)1. 52. 73. 34. 105. 1/26. 3/27. 2 1/28. 5/69. 7/6
10. 3 1/6Why did the monster need a third sock? He grew another foot.
Riddle 6 (page 10)1. 3/42. 3/63. 1/44. 4/55. 4/106. 5/27. 6/78. 6/259. 2/3
10. 1/6Why was six scared of seven?Because seven “ate” nine.
Riddle 7 (page 11)1. 1/22. 1/43. 1/34. 1/55. 3/46. 2/37. 2/58. 3/89. 4/9
10. 2/7Who won the race between the two balls of string? They were tied.
Riddle 8 (page 12)1. 1/22. 4/53. 4/114. 3/55. 13/326. 2/57. 9/198. 12/239. 5/7
10. 20/29What kind of dog did the vampire own? A bloodhound
Riddle 9 (page 13)1. 1/32. 5/63. 12/134. 9/105. 18/226. 2/77. 1/28. 4/159. 25/70
10. 24/40If I have 5 apples in one hand and 6 apples in the other, what would I have? Two big hands
Answers
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
46
Riddle 10 (page 14)1. 1 1/22. 1 2/33. 1 5/84. 2 1/35. 2 1/76. 7 1/57. 3 5/68. 1 3/59. 4 3/11
10. 1 1/3Why is it hard to play sportsagainst a team of big cats?They might be cheetahs.
Riddle 11 (page 15)1. 17/52. 31/43. 7/34. 3/25. 23/56. 20/37. 19/28. 35/49. 47/6
10. 21/4Why did the hen run away?She was chicken.
Riddle 12 (page 16)1. 12. 1/23. 2/34. 4/55. 6/76. 5/87. 7/98. 5/69. 3/4
10. 4/9What does a lion lawyer study?The law of the jungle
Riddle 13 (page 17)1. 1 1/32. 1 1/43. 1 2/54. 1 1/25. 1 4/96. 1 3/87. 1 1/118. 1 7/99. 1 7/15
10. 1 1/6
Where do ghosts go swimming?The Dead Sea
Riddle 14 (page 18)1. 1 3/52. 1 13/243. 1 13/354. 1 4/275. 1 1/186. 1 7. 1 7/198. 1 29/459. 1 1/4
10. 1 1/21How do you stop a rhinocerosfrom charging?Take away its credit cards.
Riddle 15 (page 19)1. 1/42. 3/8 3. 2/54. 1/35. 1/56. 3/77. 1/98. 1/89. 2/7
10. 1/6Why didn’t the dog want to play ball?It was a boxer.
Riddle 16 (page 20)1. 2/32. 3/53. 9/204. 3/85. 3/256. 7/177. 2/58. 7/139. 1/6
10. 4/9Where did the monster go when she lost her hand?A second-hand shop
Riddle 17 (page 21)1. 32. 43. 8 2/34. 6 2/35. 7 4/56. 10 1/77. 14 1/38. 11 1/89. 5 4/9
10. 6 1/8What is big, gray, and fliesstraight up?An ’elecopter
Riddle 18 (page 22)1. 1 1/32. 2 2/53. 2 2/74. 3 1/25. 2 1/46. 4 3/57. 4 1/38. 3 1/69. 1 1/5
10. 2 4/7Why did the tennis player hit theball softly?So he wouldn’t make a racket.
Riddle 19 (page 23)1. 5/62. 13/203. 11/184. 7/105. 17/356. 7/127. 18. 5/99. 9/14
10. 5/8Why couldn’t the ghost tell a lie?You can see right through him.
Riddle 20 (page 24)1. 1 1/42. 1 11/243. 31/354. 1 7/405. 1 4/96. 1 7/447. 29/308. 37/609. 1 3/10
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources
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10. 1 7/100What do you get if you cross asheepdog with a tulip?A collie-flower
Riddle 21 (page 25)1. 3/102. 1/43. 1/24. 1/55. 06. 1/247. 1/98. 3/169. 4/25
10. 1/21What did the orangutan call his wife?His prime-mate
Riddle 22 (page 26)1. 5/212. 1/83. 17/444. 5/245. 17/306. 11/1207. 1/188. 1/109. 1/5
10. 7/24What do you say when you meeta two-headed dragon?“Hello! Hello!”
Riddle 23 (page 27)1. 7/402. 37/443. 3/264. 8/95. 11/306. 17. 55/968. 31/409. 2/5
10. 35/36What did one keyboard say toanother keyboard?“You are my type.”
Riddle 24 (page 28)1. 6 3/42. 7 1/23. 11 5/64. 4 7/85. 11 23/366. 11 1/157. 7 5/78. 6 7/159. 16 5/8
10. 12 17/18What do frogs say when theymeet each other?“Warts new with you?”
Riddle 25 (page 29)1. 2 1/42. 3 1/83. 2 1/34. 4 1/85. 5 5/126. 3 4/157. 6 4/358. 4 1/309. 11 3/44
10. 7 2/9What kind of horse always looks fashionable?A clotheshorse
Riddle 26 (page 30)1. 0.82. 0.753. 0.54. 0.65. 0.256. 0.1257. 0.3758. 0.49. 0.625
10. 0.9What did the hot dog say to the hamburger?“Nice to meat you!”
Riddle 27 (page 31)1. 2.52. 4.253. 1.64. 7.25. 5.256. 11.27. 3.258. 9.5
9. 5.810. 7.1
If you had 10 cows and 10 goats,what would you have?Lots of milk
Riddle 28 (page 32)1. 1/22. 0.753. 2 1/24. 3 2/35. 4 1/26. 0.047. 0.0328. 16/89. 2.96
10. 5 1/6When is the best time to tell a joke?In the laughter-noon
Riddle 29 (page 33)1. 1/42. 11/163. 2/54. 3/55. 6/76. 14/337. 2/38. 2/239. 4/5
10. 8/11What is a baby elephant after she is eight weeks old?Nine weeks old
Riddle 30 (page 34)1. 1/62. 3/283. 3/204. 8/215. 5/486. 1/97. 3/148. 1/49. 2/5
10. 15/56What is a frog’s favorite shoe?An open-toad sandal
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Riddle 31 (page 35)1. 1/32. 10/213. 27/404. 16/215. 8/256. 7/247. 36/778. 7/369. 5/12
10. 5/8What did the elephant say when his tail was grabbed?“That’s the end of me!”
Riddle 32 (page 36)1. 12. 43. 1 4/54. 1 1/35. 5/76. 37. 3 8/98. 1 3/59. 2 5/11
10. 5How do squirrels feel when you hide their food?It drives them nuts!
Riddle 33 (page 37)1. 2 1/22. 2 3/43. 3 3/84. 1 4/55. 1 9/106. 5 1/27. 48. 29. 6
10. 4 1/5Why were the elephants asked to leave the swimming pool?They couldn’t keep their trunks up.
Riddle 34 (page 38)1. 42. 283. 18 1/34. 38 1/25. 22 1/26. 19 1/47. 25 1/28. 69 2/39. 6 1/2
10. 22 2/3What do you call cows that can’t produce milk?Udder failures
Riddle 35 (page 39)1. 202. 1003. 254. 455. 506. 547. 808. 1929. 33
10. 128What did the banana do when it saw the monkey? The banana split!
Riddle 36 (page 40)1. 12. 23. 3 3/54. 4 1/25. 9/106. 1 3/47. 38. 6 2/39. 35/36
10. 2/3What do you do for a blue elephant? Cheer him up!
Riddle 37 (page 41)1. 1 1/92. 5 3/53. 9/144. 1 1/245. 11/126. 3 1/37. 2 1/68. 1 15/17
9. 1 1/210. 9/10
What do you call a crate full of ducks? A box of quackers
Riddle 38 (page 42)1. 1/122. 2/133. 8/414. 1/45. 11/746. 2/357. 15/588. 5/189. 1/7
10. 1/13Where do frogs put their money?In a river bank
Riddle 39 (page 43)1. 1 1/22. 5/123. 2 6/74. 2/35. 2 25/586. 6 1/37. 2 8/98. 2 1/39. 1 47/165
10. 1 2/13Why did the spider buy a car?To take it for a spin
Riddle 40 (page 44)1. 3/52. 7/203. 1/44. 5/95. 10/116. 4/57. 158. 69. 24
10. 4/17What did the ghost eat for lunch?A boo-loney sandwich
Fractions Practice Puzzles © Bob Hugel, Scholastic Teaching Resources