Upload
others
View
0
Download
0
Embed Size (px)
Citation preview
by Susan Dillon
New York • Toronto • London • Auckland • SydneyMexico City • New Delhi • Hong Kong • Buenos Aires
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
A great big thanks to . . .
• teacher Ms. Donna Del Guercio for herbig help in the creation of this book
• the Math for Laughs “activity testers”
• everyone in Maplewood CommunityMusic, the t’bone four, and myesteemed teacher for the music,friendship, love
• Liam for his love of robots, Jackson forhis love of math, and Luke for his loveof pretty much everything
Scholastic Inc. grants teachers permission to photocopy the reproducible pagesof this book for classroom use only. No other part of this publication may bereproduced in whole or in part, or stored in a retrieval system, or transmitted inany form or by any means, electronic, mechanical, photocopying, recording, orotherwise, without written permission of the publisher. For information regardingpermission, write to Scholastic Inc., 557 Broadway, New York, NY 10012.
Cover design by Jannie Ho
Interior design by Ellen Matlach for Boultinghouse & Boultinghouse, Inc.
Interior illustrations by Teresa Anderko
ISBN-13 978-0-439-54885-4ISBN-10 0-439-54885-3
Copyright © 2006 by Susan Dillon
All rights reserved. Published by Scholastic Inc.
Printed in the U.S.A.
1 2 3 4 5 6 7 8 9 10 40 14 13 12 11 10 09 08 07 06
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
Contents
Introduction . . . . . . . . . . . . . . . . . . . 4
Reproducible Markers and Ribbons. . . 6
Racetrack Record Chart. . . . . . . . . . . . 7
AdditionEasy as 1-2-3 . . . . . . . . . . . . . . . . . 8
O-Bot the Robot . . . . . . . . . . . . . 12
Addition Steeplechase . . . . . . . . . 16
Space Race. . . . . . . . . . . . . . . . . . 20
SubtractionSub-Sea Adventure. . . . . . . . . . . . 24
Downhill Ski. . . . . . . . . . . . . . . . . 28
Fast Food . . . . . . . . . . . . . . . . . . . 32
Falling Leaves. . . . . . . . . . . . . . . . 36
Addition/SubtractionA & S Airport . . . . . . . . . . . . . . . . 40
Quick Sandcastle . . . . . . . . . . . . . 44
Answer Key . . . . . . . . . . . . . . . . . 48
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
4
It’s a fact: Students need to know their math facts!According to the Principles and Standards forSchool Mathematics published by the NationalCouncil on the Teaching of Mathematics (NCTM),fluency is a goal of grades 1 and 2: “By fluency wemean that students are able to compute efficientlyand accurately with single-digit numbers.” Oneway to achieve this fluency is to practice.
Inspired by my fifth-grade son and my workwith elementary-age children, I created Fast Factsbased on the idea that students love a race.Whether it’s a friendly game with classmates ormeasuring their own self-improvement, studentsget pumped up for practice when you throw in alittle healthy competition as incentive.
This book contains reproducible activity sheetsto reinforce your lessons and get students on trackto faster mental computation of addition andsubtraction facts. Each section includes four sheets.The first one is easiest (rated level 1), the second ismore difficult (level 2), and the third contains themost difficult problems (level 3). The last featuresblanks that you can fill in with any problems youchoose. All activity sheets contain 18 problems.
Knowing math facts is a key building block toadvanced math, and to a lifetime of mental mathcompetency. NCTM states: “Ambitious standardsare required to achieve a society that has thecapability to think and reason mathematically. . . .”From tallying a grocery bill to estimating themileage of the drive to the store—without acalculator—students will use these skills for the restof their lives.
So . . . have fun with the fast facts!
RacetrackHow can students see and celebrate improvement?There are several ways students can track theirspeed and accuracy as you use certain favoriteactivity sheets from this book again and again.
To improve students’ facts calculations, assignthe same activity sheet every day for three days ormore as classwork or homework. Make plenty ofphotocopies! Let students keep track of their ownimprovement with the Racetrack on page 7.
SpeedBefore beginning the activity sheet, students shouldgo to the stopwatch icon, located at the bottomleft corner of the activity sheet. Direct students tofill in the number of minutes and seconds they willhave to solve the problems. You can take care ofthe timing. Students will complete as manyproblems accurately as possible. There are differentways you can approach this. For example, if youstart the activity with 10 minutes to complete thesheet, each time you revisit the same activity, youcan reduce the amount of allotted time gradually.Or, if you start the activity with 1 minute, eachtime you revisit the activity, students can try toincrease the number of problems they can solve inthat time.
AccuracyEmphasize that while the goal is for work to bedone quickly it must also be done accurately. Eachactivity sheet has a bull’s eye at the bottom rightcorner. This area is for recording the accuracy ofthe work done (the total answers minus theincorrect answers equals the correct answers). Youcan fill in this section, or students can grade theirown sheets while you call out the correct answersfrom the answer key (page 48). Depending on theneeds of your students, you can also create anddisplay an answer key for individual activity sheetsby filling in the answers and copying thecompleted sheet onto an overhead transparency.
Introduction
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
5
AssessmentEven the youngest students can maintain their ownRacetrack (page 7) with some guidance. They canjudge for themselves if they were faster and/ormore accurate than the last race. Ask them tocompare their speed and accuracy for this race withthe last race: “Did you get more answers right thistime?” Or, pointing to the time, ask: “Do you thinkthis number is smaller than this number? If so, thatmeans you were faster!” Feel free to urge studentswho experience a one-time nose-dive in speed oraccuracy to try a race again. After completing therequired races, ask students: “How did you do?”Let them answer in their own words.
ChallengeNote that activity sheets in each section graduallyincrease in difficulty depending on grade-appropriate content. You may want to skip to morechallenging sheets for older students. Keep in mindthough that the easiest sheets are great speedpractice for even the most advanced students. Sincethe activity sheets have 18 problems, considercutting some problems for the youngest students.When revisiting an activity sheet multiple times, youcan make it different and more challenging byasking students to complete answers right to left,bottom to top, or starting somewhere in the middleof the activity (for instance, “start at the letter d”).Use the blank sheet to write problems that arebetter geared toward your lessons.
MotivationPhotocopy and distribute at least one copy perstudent of the racetrack on page 7. Studentsshould write their name in the space provided onthe racetrack, along with the name of the activitysheet they will use. Students also get a new copyof a racer icon each time they complete an activitysheet. On the icon, they should write Race 1, Race 2, Race 3, and so on. Choose from thereproducible samples on page 6 or have studentsdraw their own. A racer begins on the starting line(attach to individual tracks with tape).
The track is divided into 18 segments,
matching the number of problems on the activitysheet. Students can indicate their progress byattaching a racer to the segment that representsthe number of problems they solved accuratelywithin an allotted time. The goal is to increase this number, getting closer to the finish line (18correct answers).
The number of segments you include can alsorelate to the number of times you plan to use acertain sheet. For example, if you direct studentsto complete the “O-Bot the Robot Level 1” sheetthree times in three days, the track could bedivided into thirds. In this case, students only useone copy of a racer icon. If a student improvestiming and/or accuracy, she or he should take theracer and put it in the next segment on the track,advancing toward the finish.
Either way you approach the activities,encourage students’ improvement with medals!You can buy these at any party goods store. Or,use the reproducible version on page 6 and attachdirectly to students’ shirts with tape, or with asafety pin attached to the back of the cut-out withmasking tape. Using a rubber stamp with a simple,positive saying such as “Great effort!” or “Wow!” isalso an effective way to motivate students oracknowledge their improvement.
7
Name
Activity sheet
Time to Total correct More accuratecomplete activity answers than last race?
Race 1
Race 2 Yes No
Race 3 Yes No
How did you do on this activity?
Fast Facts: Addition & Subtraction Scholastic Teaching Resources
123 17
45
6
1415
8 9 10 11 127
MiloO-Bot the Robot Level 1
5 minutes 135 minutes 165 minutes 18 Race
1
Race 2Race 3
7
Name
Activity sheet
Time to Total correct More accuratecomplete activity answers than last race?
Race 1
Race 2 Yes No
Race 3 Yes No
How did you do on this activity?
Fast Facts: Addition & Subtraction Scholastic Teaching Resources
MiloO-Bot the Robot Level 1
5 minutes 134 minutes 134 minutes 16
Milo
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
6
7
Nam
e
Act
ivity
shee
t
Tim
eto
Tota
lcor
rect
Mor
eac
cura
teco
mpl
ete
activ
ityan
swer
sth
anla
stra
ce?
Rac
e1
Rac
e2
Yes
No
Rac
e3
Yes
No
How
did
you
doon
this
activ
ity?
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
8
Easy as 1-2-3Addition is as easy as 1, 2, and 3! Solve the problems below. Try to get those facts fast!
LEVEL 1
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 0 + 2 =
b. 3 + 1 =
c. 0 + 5 =
d. 3 + 3 =
e. 2 + 4 =
f. 1 + 3 =
g. 4 + 0 =
h. 1 + 5 =
i. 3 + 2 =
j. 1 + 2 =
k. 5 + 1 =
l. 0 + 7 =
m. 3 + 4 =
n. 4 + 0 =
o. 1 + 4 =
p. 4 + 3 =
q. 3 + 5 =
r. 2 + 3 = Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
9
Easy as 1-2-3LEVEL 2
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
Addition is as easy as 1, 2, and 3! Solve the problems below. Try to get those facts fast!
a. 7 + 2 =
b. 5 + 5 =
c. 3 + 6 =
d. 5 + 7 =
e. 8 + 5 =
f. 3 + 8 =
g. 5 + 6 =
h. 8 + 3 =
i. 9 + 5 =
j. 6 + 6 =
k. 2 + 9 =
l. 4 + 7 =
m. 9 + 3 =
n. 7 + 4 =
o. 4 + 6 =
p. 2 + 7 =
q. 6 + 5 =
r. 9 + 4 =Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
10
Easy as 1-2-3LEVEL 3
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
Addition is as easy as 1, 2, and 3! Solve the problems below. Try to get those facts fast!
a. 7 + 8 =
b. 9 + 9 =
c. 4 + 8 =
d. 8 + 5 =
e. 6 + 6 =
f. 8 + 8 =
g. 9 + 7 =
h. 5 + 9 =
i. 6 + 7 =
j. 8 + 4 =
k. 5 + 6 =
l. 6 + 8 =
m. 7 + 5 =
n. 6 + 9 =
o. 9 + 8 =
p. 4 + 9 =
q. 7 + 7 =
r. 5 + 8 = Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
11
Easy as 1-2-3
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
Addition is as easy as 1, 2, and 3! Solve the problems below. Try to get those facts fast!
a. + =
b. + =
c. + =
d. + =
e. + =
f. + =
g. + =
h. + =
i. + =
j. + =
k. + =
l. + =
m. + =
n. + =
o. + =
p. + =
q. + =
r. + =Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
12
O-Bot the RobotO-Bot is a special robot made with math! Solve the problems to buildthe robot from head to toe. Try to get those facts fast!
LEVEL 1
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 2 + 2 =
b. 1 + 4 =
c. 4 + 2 =
d. 1 + 2 =
e. 5 + 0 =
f. 2 + 4 =
g. 3 + 3 =
h. 2 + 1 =
i. 1 + 5 =
j. 0 + 4 =
k. 4 + 1 =
l. 3 + 2 =
m. 3 + 4 =
n. 5 + 1 =
o. 1 + 7 =
p. 3 + 5 =
q. 4 + 3 =
r. 5 + 2 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
13
O-Bot the RobotLEVEL 2
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
O-Bot is a special robot made with math! Solve the problems to buildthe robot from head to toe. Try to get those facts fast!
a. 2 + 6 =
b. 3 + 7 =
c. 5 + 6 =
d. 8 + 2 =
e. 7 + 4 =
f. 5 + 5 =
g. 9 + 3 =
h. 4 + 6 =
i. 8 + 3 =
j. 2 + 9 =
k. 8 + 4 =
l. 5 + 7 =
m. 6 + 6 =
n. 9 + 5 =
o. 4 + 8 =
p. 7 + 6 =
q. 3 + 8 =
r. 7 + 5 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
14
O-Bot the RobotLEVEL 3
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
O-Bot is a special robot made with math! Solve the problems to buildthe robot from head to toe. Try to get those facts fast!
a. 6 + 8 =
b. 5 + 6 =
c. 8 + 7 =
d. 4 + 9 =
e. 8 + 4 =
f. 5 + 9 =
g. 8 + 8 =
h. 6 + 5 =
i. 6 + 9 =
j. 7 + 7 =
k. 8 + 6 =
l. 9 + 9 =
m. 9 + 6 =
n. 6 + 6 =
o. 4 + 8 =
p. 9 + 7 =
q. 8 + 9 =
r. 8 + 5 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
15
O-Bot the Robot
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
O-Bot is a special robot made with math! Solve the problems to buildthe robot from head to toe. Try to get those facts fast!
a. + =
b. + =
c. + =
d. + =
e. + =
f. + =
g. + =
h. + =
i. + =
j. + =
k. + =
l. + =
m. + =
n. + =
o. + =
p. + =
q. + =
r. + =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
16
Addition SteeplechaseRide through the course without a spill by solving the problems. Put the answers on the rider’s back. Try to get those facts fast!
LEVEL 1
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 5 + 2 =
b. 2 + 4 =
c. 1 + 7 =
d. 2 + 2 =
k. 2 + 5 =
l. 3 + 3 =
m. 1 + 4 =n. 2 + 3 =
o. 0 + 6 =
p. 1 + 5 =
e. 4 + 3 =
q. 3 + 4 =
r. 4 + 2 =
f. 5 + 0 =
g. 1 + 3 =
h. 2 + 1 =
i. 4 + 0 =
j. 0 + 8 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
17
Addition SteeplechaseLEVEL 2
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
Ride through the course without a spill by solving the problems. Put the answers on the rider’s back. Try to get those facts fast!
a. 5 + 5 =
b. 2 + 9 =
c. 7 + 4 =
d. 8 + 2 =
k. 9 + 3 =
l. 2 + 7 =
m. 4 + 8 =n. 6 + 3 =
o. 6 + 5 =
p. 9 + 4 =
e. 3 + 5 =
q. 3 + 9 =
r. 6 + 4 =
f. 8 + 5 =
g. 5 + 6 =
h. 2 + 8 =
i. 4 + 6 =
j. 8 + 4 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
18
Addition SteeplechaseRide through the course without a spill by solving the problems. Put the answers on the rider’s back. Try to get those facts fast!
LEVEL 3
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 7 + 9 =
b. 4 + 8 =
c. 6 + 5 =
d. 8 + 4 =
k. 7 + 5 =
l. 7 + 7 =
m. 8 + 9 =n. 6 + 7 =
o. 4 + 9 =
p. 6 + 8 =
e. 9 + 6 =
q. 9 + 9 =
r. 5 + 7 =
f. 5 + 9 =
g. 9 + 7 =
h. 5 + 8 =
i. 7 + 6 =
j. 8 + 8 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
19
Addition SteeplechaseRide through the course without a spill by solving the problems. Put the answers on the rider’s back. Try to get those facts fast!
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. + =
b. + =
c. + =
d. + =
k. + =
l. + =
m. + =n. + =
o. + =
p. + =
e. + =
q. + =
r. + =
f. + =
g. + =
h. + =
i. + =
j. + =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
20
Space RaceSolve the problems below and you’ll be a “star”! Try to get those facts fast!
LEVEL 1
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 3 + 5 =
b. 0 + 9 =
c. 4 + 1 =
d. 2 + 4 =
e. 5 + 2 =
j. 2 + 5 =
k. 1 + 8 =
l. 4 + 3 =
m. 2 + 2 =
f. 0 + 5 =
g. 3 + 3 =
h. 1 + 4 =
n. 4 + 2 =
o. 1 + 6 =
p. 3 + 1 =
q. 0 + 7 =
r. 2 + 3 =
i. 5 + 1 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
21
Space RaceSolve the problems below and you’ll be a “star”! Try to get those facts fast!
LEVEL 2
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 8 + 3 =
b. 6 + 4 =
c. 2 + 6 =
d. 4 + 8 =
e. 9 + 3 =
j. 7 + 4 =
k. 9 + 4 =
l. 2 + 8 =
m. 3 + 7 =
f. 5 + 5 =
g. 8 + 4 =
h. 2 + 7 =
n. 6 + 6 =
o. 8 + 5 =
p. 3 + 8 =
q. 4 + 6 =
r. 2 + 9 =
i. 5 + 7 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
22
Space RaceSolve the problems below and you’ll be a “star”! Try to get those facts fast!
LEVEL 3
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 9 + 6 =
b. 6 + 5 =
c. 4 + 7 =
d. 7 + 7 =
e. 8 + 5 =
j. 6 + 6 =
k. 9 + 9 =
l. 5 + 9 =
m. 8 + 4 =
f. 5 + 6 =
g. 7 + 9 =
h. 9 + 8 =
n. 6 + 7 =
o. 8 + 8 =
p. 6 + 9 =
q. 4 + 6 =
r. 7 + 6 =
i. 4 + 8 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
23
Space RaceSolve the problems below and you’ll be a “star”! Try to get those facts fast!
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. + =
b. + =
c. + =
d. + =
e. + =
j. + =
k. + =
l. + =
m. + =
f. + =
g. + =
h. + =
n. + =
o. + =
p. + =
q. + =
r. + =
i. + =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
24
Sub-Sea AdventureWhat do you see in the deep blue sea? Solve the problems below. Try to get those facts fast!
LEVEL 1
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 5 – 1 =
b. 3 – 2 =
c. 2 – 1 =
i. 4 – 2 =
j. 7 – 0 =
k. 2 – 2 =
l. 6 – 5 =
m. 3 – 3 =
n. 6 – 1 =
d. 5 – 2 =
o. 9 – 0 =
p. 7 – 1 =
q. 7 – 2 =
r. 5 – 5 =
e. 4 – 3 =
f. 6 – 0 =
g. 3 – 1 =
h. 5 – 4 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
25
Sub-Sea AdventureWhat do you see in the deep blue sea? Solve the problems below. Try to get those facts fast!
LEVEL 2
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 8 – 3 =
b. 7 – 4 =
c. 11 – 7 =
i. 6 – 4 =
j. 8 – 2 =
k. 9 – 4 =
l. 13 – 4 =
m. 10 – 6 =
n. 11 – 8 =
d. 12 – 3 =
o. 8 – 4 =
p. 7 – 3 =
q. 13 – 5 =
r. 9 – 6 =
e. 8 – 4 =
f. 9 – 7 =
g. 9 – 3 =
h. 12 – 5 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
26
Sub-Sea AdventureWhat do you see in the deep blue sea? Solve the problems below. Try to get those facts fast!
LEVEL 3
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 16 – 8 =
b. 15 – 6 =
c. 12 – 7 =
i. 16 – 9 =
j. 14 – 7 =
k. 10 – 5 =
l. 13 – 8 =
m. 14 – 6 =
n. 15 – 8 =
d. 18 – 9 =
o. 14 – 9 =
p. 11 – 6 =
q. 13 – 7 =
r. 17 – 8 =
e. 14 – 8 =
f. 13 – 6 =
g. 16 – 7 =
h. 17 – 9 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
27
Sub-Sea AdventureWhat do you see in the deep blue sea? Solve the problems below. Try to get those facts fast!
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. – =
b. – =
c. – =
i. – =
j. – =
k. – =
l. – =
m. – =
n. – =
d. – =
o. – =
p. – =
q. – =
r. – =
e. – =
f. – =
g. – =
h. – =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
28
Downhill SkiLEVEL 1
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
You’re skiing in a big race. To win, solve the problems below. Try to get those facts fast!
a. 7 – 4 =
b. 6 – 2 =
c. 3 – 3 =
d. 10 – 9 =
e. 8 – 0 =
f. 11 – 2 =
g. 4 – 3 =
k. 6 – 0 =
l. 4 – 4 =
m. 9 – 2 =
n. 8 – 1 =
o. 6 – 6 =
p. 7 – 2 =
q. 5 – 3 =
r. 10 – 2 =
h. 7 – 5 =
i. 8 – 7 =
j. 8 – 5 =Fa
st F
acts
: Add
ition
& S
ubtra
ctio
n ©
Sus
an D
illon
, Sch
olas
tic T
each
ing
Res
ourc
es
29
Downhill SkiLEVEL 2
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
You’re skiing in a big race. To win, solve the problems below. Try to get those facts fast!
a. 12 – 8 =
b. 9 – 6 =
c. 8 – 4 =
d. 11 – 9 =
e. 11 – 4 =
f. 13 – 9 =
g. 12 – 3 =
k. 7 – 3 =
l. 10 – 8 =
m. 7 – 4 =
n. 9 – 4 =
o. 11 – 3 =
p. 8 – 6 =
q. 10 – 7 =
r. 11 – 3 =
h. 14 – 5 =
i. 10 – 6 =
j. 12 – 4 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
30
Downhill SkiLEVEL 3
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 17 – 8 =
b. 12 – 7 =
c. 13 – 5 =
d. 15 – 8 =
e. 16 – 9 =
f. 14 – 5 =
g. 13 – 8 =
k. 16 – 7 =
l. 11 – 6 =
m. 12 – 5 =
n. 15 – 7 =
o. 13 – 7 =
p. 12 – 6 =
q. 14 – 8 =
r. 14 – 7 =
h. 18 – 9 =
i. 13 – 6 =
j. 16 – 8 =
You’re skiing in a big race. To win, solve the problems below. Try to get those facts fast!
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
31
Downhill SkiYou’re skiing in a big race. To win, solve the problems below. Try to get those facts fast!
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. – =
b. – =
c. – =
d. – =
e. – =
f. – =
g. – =
k. – =
l. – =
m. – =
n. – =
o. – =
p. – =
q. – =
r. – =
h. – =
i. – =
j. – =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
32
Fast FoodLEVEL 1
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 6 – 3 =
b. 10 – 1 =
c. 7 – 5 =
f. 8 – 2 =
g. 5 – 3 =
h. 6 – 4 =
i. 6 – 2 =
j. 7 – 6 =
k. 4 – 3 =
l. 10 – 9 =
m. 5 – 1 =
n. 7 – 2 =
o. 6 – 0 =
p. 5 – 2 =
q. 8 – 7 =
r. 9 – 0 =
d. 9 – 8 =
e. 2 – 0 =
It’s a huge picnic, just for you! Quick, chow down by solving the problemsbelow. Try to get those facts fast!
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
33
Fast FoodLEVEL 2
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 13 – 4 =
b. 12 – 9 =
c. 9 – 6 =
f. 13 – 9 =
g. 11 – 7 =
h. 12 – 4 =
i. 9 – 3 =
j. 11 – 9 =
k. 11 – 3 =
l. 8 – 6 =
m. 10 – 7 =
n. 12 – 3 =
o. 8 – 5 =
p. 10 – 8 =
q. 8 – 3 =
r. 14 – 5 =
d. 8 – 4 =
e. 10 – 3 =
It’s a huge picnic, just for you! Quick, chow down by solving the problemsbelow. Try to get those facts fast!
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
34
Fast FoodLEVEL 3
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 12 – 7 =
b. 13 – 5 =
c. 18 – 9 =
f. 13 – 9 =
g. 15 – 7 =
h. 17 – 8 =
i. 14 – 7 =
j. 13 – 4 =
k. 12 – 5 =
l. 16 – 9 =
m. 15 – 6 =
n. 15 – 8 =
o. 14 – 5 =
p. 15 – 9 =
q. 16 – 8 =
r. 17 – 9 =
d. 12 – 6 =
e. 10 – 5 =
It’s a huge picnic, just for you! Quick, chow down by solving the problemsbelow. Try to get those facts fast!
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
35
Fast Food
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. – =
b. – =
c. – =
f. – =
g. – =
h. – =
i. – =
j. – =
k. – =
l. – =
m. – =
n. – =
o. – =
p. – =
q. – =
r. – =
d. – =
e. – =
It’s a huge picnic, just for you! Quick, chow down by solving the problemsbelow. Try to get those facts fast!
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
36
Falling LeavesLEVEL 1
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
Autumn is here, and leaves are falling off our favorite tree. Solve theproblems before they hit the ground. Try to get those facts fast!
a. 2 – 2 =
b. 10 – 1 =
e. 9 – 8 =
f. 8 – 2 =
g. 6 – 3 =
h. 7 – 1 =
i. 4 – 0 =
j. 8 – 5 =
k. 6 – 2 =
l. 6 – 6 =
m. 5 – 3 =
n. 8 – 0 =
o. 10 – 9 = p. 3 – 2 =
q. 7 – 5 =
r. 9 – 2 =
c. 7 – 4 =
d. 7 – 6 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
37
Falling LeavesLEVEL 2
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
Autumn is here, and leaves are falling off our favorite tree. Solve theproblems before they hit the ground. Try to get those facts fast!
a. 10 – 6 =
b. 12 – 9 =
e. 10 – 3 =
f. 9 – 7 =
g. 14 – 5 =
h. 12 – 8 =
i. 6 – 3 =
j. 9 – 5 =
k. 10 – 7 =
l. 11 – 8 =
m. 13 – 4 =
n. 8 – 6 =
o. 12 – 4 = p. 8 – 3 =
q. 11 – 4 =
r. 11 – 9 =
c. 11 – 3 =
d. 8 – 5 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
38
Falling LeavesLEVEL 3
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
Autumn is here, and leaves are falling off our favorite tree. Solve theproblems before they hit the ground. Try to get those facts fast!
a. 13 – 7 =
b. 14 – 9 =
e. 12 – 6 =
f. 18 – 9 =
g. 14 – 6 =
h. 15 – 8 =
i. 12 – 7 =
j. 16 – 9 =
k. 14 – 8 =
l. 17 – 9 =
m. 11 – 5 =
n. 13 – 6 =
o. 15 – 9 = p. 14 – 5 =
q. 16 – 8 =
r. 15 – 6 =
c. 13 – 5 =
d. 17 – 8 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
39
Falling LeavesAutumn is here, and leaves are falling off our favorite tree. Solve theproblems before they hit the ground. Try to get those facts fast!
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. – =
b. – =
e. – =
f. – =
g. – =
h. – =
i. – =
j. – =
k. – =
l. – =
m. – =
n. – =
o. – = p. – =
q. – =
r. – =
c. – =
d. – =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
40
A & S AirportLEVEL 1
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 2 + 5 =
b. 10 – 2 =
f. 7 – 4 =
g. 0 + 8 =
h. 2 – 2 =
i. 4 + 2 =
j. 5 – 4 =
k. 5 + 2 =
l. 7 – 2 =
m. 2 + 2 =
n. 7 – 1 =
o. 1 + 8 =
p. 6 – 2 =
q. 3 + 3 =
r. 7 – 5 =
c. 5 + 1 =
d. 6 – 3 =
e. 4 + 3 =
What a busy airport! Solve the problems below so the planes can take offand land. Try to get those facts fast!
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
41
A & S AirportLEVEL 2
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 3 + 6 =
b. 7 – 4 =
f. 14 – 5 =
g. 4 + 6 =
h. 8 – 5 =
i. 7 + 4 =
j. 11 – 7 =
k. 6 + 6 =
l. 12 – 4 =
m. 3 + 8 =
n. 11 – 4 =
o. 7 + 5 =
p. 12 – 9 =
q. 9 + 2 =
r. 6 – 3 =
c. 5 + 5 =
d. 10 – 7 =
e. 8 + 2 =
What a busy airport! Solve the problems below so the planes can take offand land. Try to get those facts fast!
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
42
A & S AirportLEVEL 3
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 6 + 5 =
b. 11 – 6 =
f. 16 – 7 =
g. 5 + 6 =
h. 12 – 7 =
i. 7 + 9 =
j. 12 – 6 =
k. 8 + 7 =
l. 15 – 7 =
m. 9 + 5 =
n. 18 – 9 =
o. 7 + 7 =
p. 13 – 6 =
q. 9 + 8 =
r. 15 – 8 =
c. 9 + 9 =
d. 15 – 6 =
e. 8 + 4 =
What a busy airport! Solve the problems below so the planes can take offand land. Try to get those facts fast!
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
43
A & S AirportLEVEL 2
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. + =
b. – =
f. – =
g. + =
h. – =
i. + =
j. – =
k. + =
l. – =
m. + =
n. – =
o. + =
p. – =
q. + =
r. – =
c. + =
d. – =
e. + =
What a busy airport! Solve the problems below so the planes can take offand land. Try to get those facts fast!
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
44
Quick SandcastleWhat a big sandcastle! Solve the problems below before the waves wash itaway. Try to get those facts fast!
LEVEL 1
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 5 + 1 =
b. 3 – 2 =
c. 2 + 1 =
d. 5 – 2 =
g. 3 + 1 =
h. 5 – 4 =
i. 4 + 2 =
j. 7 – 0 =
k. 2 + 2 =
l. 6 – 5 =
m. 3 + 3 =
n. 6 – 1 =
o. 9 + 0 =
p. 7 – 1 =
q. 7 + 2 =
r. 5 – 5 =
e. 4 + 3 =
f. 6 – 0 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
45
Quick SandcastleWhat a big sandcastle! Solve the problems below before the waves wash itaway. Try to get those facts fast!
LEVEL 2
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 3 + 8 =
b. 8 – 4 =
c. 5 + 5 =
d. 13 – 4 =
g. 4 + 6 =
h. 9 – 5 =
i. 2 + 7 =
j. 11 – 8 =
k. 8 + 5 =
l. 12 – 3 =
m. 4 + 6 =
n. 8 – 6 =
o. 7 + 5 =
p. 9 – 3 =
q. 5 + 6 =
r. 13 – 5 =
e. 6 + 3 =
f. 10 – 7 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
46
Quick SandcastleWhat a big sandcastle! Solve the problems below before the waves wash itaway. Try to get those facts fast!
LEVEL 3
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. 6 + 7 =
b. 14 – 5 =
c. 9 + 9 =
d. 10 – 5 =
g. 6 + 6 =
h. 13 – 6 =
i. 4 + 9 =
j. 15 – 8 =
k. 7 + 5 =
l. 12 – 7 =
m. 7 + 8 =
n. 18 – 9 =
o. 5 + 8 =
p. 16 – 7 =
q. 6 + 9 =
r. 14 – 6 =
e. 8 + 6 =
f. 14 – 7 =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
47
Quick SandcastleWhat a big sandcastle! Solve the problems below before the waves wash itaway. Try to get those facts fast!
Name Date
Total answers:
Incorrect answers:
Correct answers:
Time to complete:
minutes seconds
H Record your time and correct answers Hon your Racetrack chart.
a. + =
b. – =
c. + =
d. – =
g. + =
h. – =
i. + =
j. – =
k. + =
l. – =
m. + =
n. – =
o. + =
p. – =
q. + =
r. – =
e. + =
f. – =
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces
48
Page 8a. 2b. 4c. 5d. 6e. 6f. 4g. 4h. 6i. 5j. 3k. 6l. 7
m. 7n. 4o. 5p. 7q. 8r. 5
Page 9 a. 9b. 10c. 9d. 12e. 13f. 11g. 11h. 11i. 14j. 12k. 11l. 11
m. 12n. 11o. 10p. 9q. 11r. 13
Page 10a. 15b. 18c. 12d. 13e. 12f. 16g. 16h. 14i. 13j. 12k. 11l. 14
m. 12n. 15o. 17p. 13q. 14r. 13
Page 12a. 4b. 5c. 6d. 3e. 5f. 6g. 6h. 3i. 6j. 4k. 5l. 5
m. 7n. 6o. 8p. 8q. 7r. 7
Page 13a. 8b. 10c. 11d. 10e. 11f. 10g. 12h. 10i. 11j. 11k. 12l. 12
m. 12n. 14o. 12p. 13q. 11r. 12
Page 14a. 14b. 11c. 15d. 13e. 12f. 14g. 16h. 11i. 15j. 14k. 14l. 18
m. 15n. 12o. 12p. 16q. 17r. 13
Page 16a. 7b. 6c. 8d. 4e. 7f. 5g. 4h. 3i. 4j. 8k. 7l. 6
m. 5n. 5o. 6p. 6q. 7r. 6
Page 17a. 10b. 11c. 11d. 10e. 8f. 13g. 11h. 10i. 10j. 12k. 12l. 9
m. 12n. 9o. 11p. 13q. 12r. 10
Page 18a. 16b. 12c. 11d. 12e. 15f. 14g. 16h. 13i. 13j. 16k. 12l. 14
m. 17n. 13o. 13p. 14q. 18r. 12
Page 20a. 8b. 9c. 5d. 6e. 7f. 5g. 6h. 5i. 6j. 7k. 9l. 7
m. 4n. 6o. 7p. 4q. 7r. 5
Page 21a. 11b. 10c. 8d. 12e. 12f. 10g. 12h. 9i. 12j. 11k. 13l. 10
m. 10n. 12o. 13p. 11q. 10r. 11
Page 22a. 15b. 11c. 11d. 14e. 13f. 11g. 16h. 17i. 12j. 12k. 18l. 14
m. 12n. 13o. 16p. 15q. 10r. 13
Page 24a. 4b. 1c. 1d. 3e. 1f. 6g. 2h. 1i. 2j. 7k. 0l. 1
m. 0n. 5o. 9p. 6q. 5r. 0
Page 25a. 5b. 3c. 4d. 9e. 4f. 2g. 6h. 7i. 2j. 6k. 5l. 9
m. 4n. 3o. 4p. 4q. 8r. 3
Page 26a. 8b. 9c. 5d. 9e. 6f. 7g. 9h. 8i. 7j. 7k. 5l. 5
m. 8n. 7o. 5p. 5q. 6r. 9
Page 28a. 3b. 4c. 0d. 1e. 8f. 9g. 1h. 2i. 1j. 3k. 6l. 0
m. 7n. 7o. 0p. 5q. 2r. 8
Page 29a. 4b. 3c. 4d. 2e. 7f. 4g. 9h. 9i. 4j. 8k. 4l. 2
m. 3n. 5o. 8p. 2q. 3r. 8
Page 30a. 9b. 5c. 8d. 7e. 7f. 9g. 5h. 9i. 7j. 8k. 9l. 5
m. 7n. 8o. 6p. 6q. 6r. 7
Page 32a. 3b. 9c. 2d. 1e. 2f. 6g. 2h. 2i. 4j. 1k. 1l. 1
m. 4n. 5o. 6p. 3q. 1r. 9
Page 33a. 9b. 3c. 3d. 4e. 7f. 4g. 4h. 8i. 6j. 2k. 8l. 2
m. 3n. 9o. 3p. 2q. 5r. 9
Page 34a. 5b. 8c. 9d. 6e. 5f. 4g. 8h. 9i. 7j. 9k. 7l. 7
m. 9n. 7o. 9p. 6q. 8r. 8
Page 36a. 0b. 9c. 3d. 1e. 1f. 6g. 3h. 6i. 4j. 3k. 4l. 0
m. 2n. 8o. 1p. 1q. 2r. 7
Page 37a. 4b. 3c. 8d. 3e. 7f. 2g. 9h. 4i. 3j. 4k. 3l. 3
m. 9n. 2o. 8p. 5q. 7r. 2
Page 38a. 6b. 5c. 8d. 9e. 6f. 9g. 8h. 7i. 5j. 7k. 6l. 8
m. 6n. 7o. 6p. 9q. 8r. 9
Page 40a. 7b. 8c. 6d. 3e. 7f. 3g. 8h. 0i. 6j. 1k. 7l. 5
m. 4n. 6o. 9p. 4q. 6r. 2
Page 41a. 9b. 3c. 10d. 3e. 10f. 9g. 10h. 3i. 11j. 4k. 12l. 8
m. 11n. 7o. 12p. 3q. 11r. 3
Page 42a. 11b. 5c. 18d. 9e. 12f. 9g. 11h. 5i. 16j. 6k. 15l. 8
m. 14n. 9o. 14p. 7q. 17r. 7
Page 44a. 6b. 1c. 3d. 3e. 7f. 6g. 4h. 1i. 6j. 7k. 4l. 1
m. 6n. 5o. 9p. 6q. 9r. 0
Page 45a. 11b. 4c. 10d. 9e. 9f. 3g. 10h. 4i. 9j. 3k. 13l. 9
m. 10n. 2o. 12p. 6q. 11r. 8
Page 46a. 13b. 9c. 18d. 5e. 14f. 7g. 12h. 7i. 13j. 7k. 12l. 5
m. 15n. 9o. 13p. 9q. 15r. 8
Answer KeyAddition Subtraction Addition/Subtraction
Fast
Fac
ts: A
dditi
on &
Sub
tract
ion
© S
usan
Dill
on, S
chol
astic
Tea
chin
g R
esou
rces