Multiply with Decimals and Whole Numbers

How do you multiply decimals?

• Line up the decimals

• Count how many numbers are behind each decimal and add the decimal places

• Change the divisor to a whole number by moving the decimal to the right. Make sure you move the dividend the same amount of places

• None of the above

3.2 x 0.75 =

0.4 x 1.8 =

9.1 × 0.86 =  

• 782.6

• 78.26

• 7.826

• 7,826

What multiplication expression does the model show?

• 5 × 0.4

• 5 × 0.6

• 16 × 0.05

• 5 × 0.16

3 x 0.62

• 1.86

• 0.186

• 186

• 0.124

2 x 0.45

• 0.90

• 9

• 90

• 0.09

3 x 0.33

• 0.99

• 99

• 9.9

• 0.09

2 x 0.38

• 0.76

• 76

• .616

• 616

4 x 0.6

• 2.4

• 24

• 0.24

• 0.024