Topic 7

Adding Fractions

100

1/2 + 6/12 = 

1

200

6/12 + 1/5 =

42/60 = 7/10

300

1/5 + 1/3 =

8/15

400

2/9 + 7/8 =

1 7/72

500

8/9 + 1/6 =

1 1/18

Adding Mixed Numbers

100

3 10/20 + 4 1/5 =

DOUBLE JEOPARDY

7 14/20 = 7 7/10

200

3 11/12 + 6 1/3 =

10 1/4

300

12 + 8 3/4 = 

20 3/4

400

10 2/8 + 4 1/4 =

14 4/8 = 14 1/2

500

31 2/3 + 4 3/5 = 

36 4/15

Subtracting Fractions

100

2/3 - 4/7 = 

2/21

200

8/11 - 2/3 = 

2/33

300

11/12 - 4/6 =

3/12 = 1/4

400

2/3 - 7/12 =

1/12

500

17/15 - 1/3 =

12/15 = 4/5

Subtracting Mixed Numbers

100

17 1/5 - 8 1/2 =

8 7/10

200

15 10/11 - 9 1/2 = 

6 9/22

300

8 2/4 - 1 7/8 =

6 5/8

400

9 5/13 - 1 10/26 =

DOUBLE JEOPARDY

8

500

6 7/9 - 3 11/27 =

3 10/27

Estimating

100

Estimate the sum of the fractions: 3/4 + 2/9 =

1

200

Estimate the sum of the fractions: 23 22/25 + 13 2/19 =

37

300

Estimate the difference of the fractions: 44 1/5 - 10 1/7 =

34

400

Estimate the difference of the mixed number: 100 1/3 - 24 6/7 =

DOUBLE JEOPARDY

75 

500

Estimate the sum of the mixed numbers: 33 1/5 + 10 1/8 + 9 11/12 =

53