Multiplying Decimals by powers of 10
Rounding numbers
Multiplying Two Decimals
Multiplying whole numbers and decimals
Multiplying Decimals Patterns and Relationships
100

4.9 x 10 to the power of 3

4,900

100

7.2 x 2.69=? round to the nearest whole number.

21

100

0.7 x 0.8=?

0.56

100

1.3 x 1.5=?

1.95

100

75 x 53=?           1.

7.5 x 53=397.5

0.75 x 53=?        2.

Answer 2 questions

1. 3975

2. 39.75

200

9.4 x 10 to the power of 4

94,000

200

141.16 x 7.71=? round to the nearest hundred for the first number and nearest whole number for the second number. 

800

200

0.9 x 0.9=?

0.81

200

4.7 x 5.2=?

24.44

200

The 3 in 3.86  is ______ of the 3 in 386.78

1/100

300

12.5 x 10 to the power of 4

125,000

300

11.24 x 15.12=? round to nearest tens place.

200

300

0.2 x 0.3=?

0.06

300

9.21 x 3.2=?

29.472

300

The 4 in 48,989.62 is  ______ the 4 in 862,842,129.8831

equal to

400

24.7 x 10 to the power of 5

2,470,000

400

24.169 x 3.741=? round to nearest whole number.

96

400

0.6 x 0.007

0.0042

400

7.32 x 2.54=?

18.5928

400

589 x 79 =?     1.

58.9 x 7.9=?      2.

58.9 x 0.79=46.531

Answer both questions

1. 46531

2. 465.31

500

6.7 x 10 to the power of 7

67,000,000

500

12.24 x 12.72=? Use a range to solve it. Give the range not a number in it.

144-169

500

0.7 x 0.04=?

0.028

500

7.528 x 7.3=?

54.9544

500

35 x 17=?        1.

3.5 x 1.7=5.95

0.35 x 0.17=?    2.

Answer 2 questions 

1. 595

2.0.0595

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