Review of Concepts

Multiplying Decimals

100

.3 x.3

.09

200

4.685 x .9

421.65

300

2.37 x 1.8

4.266

400

91.4 x .27

24.678

500

.167 x 21.3

3.5571

Rounding to Thousands

100

6,587

7,000

200

9,173

9,000

300

12,356

12,000

400

7,719

8,000

500

23,958

24,000

Rounding to Tens

100

6,587

6,590

200

9,173

9,170

300

12,356

12,360

400

23,958

23,960

500

15,173

15,170

List the factors in numerical order

100

8

1,2,4,8

200

16

1,2,3,8,16

300

12

1,2,3,4,6,12

400

20

1,2,4,5,10,20

500

15

1,3,5,15

Multiplying fractions

100

3/5 x 7/9

7/15

200

2/3 x 1/5

2/15

300

3/8 x 54

 20  1/4

400

2/5 x 4/5

8/25

500

1 1/5 x 1 3/7

1 5/7