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