Adding & Subtracting Fractions
Code Breaker SOLVE each problem. WRITE the letter that matches each sum to solve the riddle.
Which building has the most stories?
.
33
59
25
34
57
23
78
56
25
58
24
14
+ =
19
49
+ =
13
13
+ =
H
L
A
216
46
+ =
538
48
+ =
837
27
+ =
B
E
I
323
13
+ =
615
15
+ =
928
38
+ =
T
R
Y
1
4
7
Sylvan_9780375430435_lay_r1.indd 47 12/3/09 11:15:32 AM
Adding & Subtracting Fractions
Number FactoryWRITE the fractions that will come out of each machine.
+17
+29
+3
10
17
19
410
37
39
57
49
67
69
710
510
910
1.
2.
3.
Sylvan_9780375430435_lay_r1.indd 48 12/3/09 11:15:33 AM
Adding & Subtracting Fractions
Code Breaker SOLVE each problem. WRITE the letter that matches each difference to solve the riddle.
How do snails talk to each other?
.
712
35
712
17
36
211
29
56
14
38
14
14
14
13
25
36
56
25
36
25
25
310
25
35
15
– =
46
16
– =
89
69
– =
E
S
N
912
77
611
212
– =
67
– =
411
– =
T
P
I
78
48
– =
34
24
– =
66
16
– =
33
23
– =
45
15
– =
810
510
– =
U
H
L
R
Y
O
1 2 3 4
5 6 7 8
9 10 11 12
Sylvan_9780375430435_lay_r1.indd 49 12/3/09 11:15:33 AM
Adding & Subtracting Fractions
Number FactoryWRITE the fractions that will come out of each machine.
–16
–28
–3
12
26
38
412
36
58
46
78
56
88
912
712
1112
1.
2.
3.
Sylvan_9780375430435_lay_r1.indd 50 12/3/09 11:15:34 AM