Math - Common Core Sheets [PDF]

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the decimal 4 places to the right to solve. . 5.47 × 104 = 54,700. 0 2 3 6. 2.36 ÷ 102. Division is the same way. Only instead of moving the decimal right, you move ...
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Multiplying and Dividing Powers of Ten Solve each problem. 5.47 × 104 This is the same as saying: 5.47 × (10 × 10 × 10 × 10) And because the base is 10 you can just move the decimal 4 places to the right to solve.

Division is the same way. Only instead of moving the decimal right, you move it left.

5 4 7 0 0.

.0 2 3 6

2.36 ÷ 102

1.

0.629926

2.

777.1

3.

0.000687

4.

215.6

5.

0.26

6.

238,210

7.

0.033184

8.

574,910

9.

0.09527

10.

39,639.9

11.

0.87586

12.

3,251.25

13.

0.008635

14.

7,284,000

15.

4.248

16.

119

17.

8.4421

18.

4,289,200

19.

0.00077

20.

896.18

4

5.47 × 10 = 54,700

1) 629.926 ÷ 10 3

2) 77.71 × 10 1

3) 6.87 ÷ 10 4

4) 21.56 × 10 1

5) 2.6 ÷ 10 1

7) 33.184 ÷ 10

6) 238.21 × 10 3

3

8) 574.91 × 10

9) 95.27 ÷ 10 3

10) 396.399 × 10 2

11) 875.86 ÷ 10 3

12) 325.125 × 10 1

13) 86.35 ÷ 10 4

14) 728.4 × 10 4

15) 424.8 ÷ 10 2

16) 11.9 × 10 1

17) 844.21 ÷ 10 2

18) 428.92 × 10 4

19) 7.7 ÷ 10 4

Math

3

20) 89.618 × 10 1

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2

1-10 95 90 85 80 75 70 65 60 55 50 11-20 45 40 35 30 25 20 15 10 5 0

Name:

Multiplying and Dividing Powers of Ten

Answer Key

Solve each problem. 5.47 × 104 This is the same as saying: 5.47 × (10 × 10 × 10 × 10) And because the base is 10 you can just move the decimal 4 places to the right to solve.

Division is the same way. Only instead of moving the decimal right, you move it left.

5 4 7 0 0.

.0 2 3 6

2.36 ÷ 102

1.

0.629926

2.

777.1

3.

0.000687

4.

215.6

5.

0.26

6.

238,210

7.

0.033184

8.

574,910

9.

0.09527

10.

39,639.9

11.

0.87586

12.

3,251.25

13.

0.008635

14.

7,284,000

15.

4.248

16.

119

17.

8.4421

18.

4,289,200

19.

0.00077

20.

896.18

4

5.47 × 10 = 54,700

1) 629.926 ÷ 10 3

2) 77.71 × 10 1

3) 6.87 ÷ 10 4

4) 21.56 × 10 1

5) 2.6 ÷ 10 1

7) 33.184 ÷ 10

6) 238.21 × 10 3

3

8) 574.91 × 10

9) 95.27 ÷ 10 3

10) 396.399 × 10 2

11) 875.86 ÷ 10 3

12) 325.125 × 10 1

13) 86.35 ÷ 10 4

14) 728.4 × 10 4

15) 424.8 ÷ 10 2

16) 11.9 × 10 1

17) 844.21 ÷ 10 2

18) 428.92 × 10 4

19) 7.7 ÷ 10 4

Math

3

20) 89.618 × 10 1

www.CommonCoreSheets.com

2

1-10 95 90 85 80 75 70 65 60 55 50 11-20 45 40 35 30 25 20 15 10 5 0