Multiplying and Dividing Decimals

Multiplying Decimals

100

  0.28 x 7

1.96

200

 0.57 x 8

4.56

300

 5.1 x 0.87

4.437

400

3.2 x 0.98

3.136

500

992 x 0.49

486.08

Dividing Decimals

100

  28.38

÷6

4.73

200

  76.54

÷ 4

19.135

300

15.75 ÷ 3.5

4.5

400

7.68 ÷ 0.4

19.2

500

  79.65 ÷ 2.7

7.2

Steps

100

What is the second step in Multiplying Decimals?

Count the number of digits to the RIGHT of your decimal point. 

200

What is the first step to dividing decimals?

Make your DIVISOR a whole number by moving the decimal point (if needed)

300

What is the 3rd step to multiplying decimals?

Put the same number of digits after the decimal point in your product that you have in your factors. 

400

What is the 2nd step to dividing decimals?

Move the decimal point in your DIVIDEND the same number of times you did in your divisor

500

What is the first step to multiplying decimals?

Ignore the decimals and multiply using standard algorithm

Adding/Subtracting Decimals

100

18.49 + 33.07

51.56

200

4.346 + 3.159

7.505

300

9.37 - 1.93

7.44

400

51.535 - 8.232

43.303

500

5 - 0.87

4.13

Decimal Rounding

100

Round 2.8 to the nearest whole number

3

200

Round 4.49 to the nearest whole number

4

300

Round 7.177 to the nearest hundredth

7.18

400

Round 456.029 to the nearest hundredth

456.03

500

Round 0.167 to the nearest tenth

0.2