topic 1 review

Adding and subtracting decimals

100

91.2 +89.9

181.1

200

902.3 - 8.8

893.5

300

62.99 -10.83

52.46

400

423.22 + 98.3

521.52

500

366.45 + 32.42

398.87

multiplying decimals

100

5 * 98.2

491

200

7 * 21.6

151.2

300

16 * 52.3

836.8

400

4 * 0.21

0.84

500

12.5 * 163.2

2040

dividing decimals

100

9.6 / 1.6 

6

200

48.4 / 0.4

121

300

13.2 / 0.006

2200

400

35.75 / 55 

0.65

500

120.4 / 602

0.2

multiplying fractions

100

2/3 * 3/8

1/4

200

6/7 * 1/2

3/7

300

7/8 * 3/2

21/16

400

4_1/2 / 6_2/3

27/40

500

14_2/7 / 4_3/10

430/7

dividing fractions

100

20 / (5/6)

24

200

5/ (5/16)

16

300

9 / (2/7)

63/2

400

10_1/2 / 1_3/4

6

500

3_3/4 / 2_1/2

3/2