Multiplying Decimals and Whole Numbers with Models

Multiply Decimals

*1 decimal place.

*10th place.

3 x 0.2 =

• 6

• 0.6

• 0.06

• 0.006

Multiply Decimals

*2 decimal places

*100th place

3 x 0.02 =

• 6

• 0.6

• 0.06

• 0.006

Multiply Decimals

2 x 0.4 =

• 8

• 0.8

• 0.08

• 0.008

Multiply Decimals

5 x 0.3 =

• 15

• 1.5

• 0.15

• 0.015

Based on this model, what is the product of 0.4 and 0.8?

• 32

• 0.032

• 0.32

• 84

Which equation can be represented by the shaded parts of the model?

• 80 x 40 = 3,200

• 0.08 x 0.04 = 0.32

• 0.80 x 0.40 = 0.32

• 0.08 x 0.04 = 0.032

Use the decimal model to find the product.

3 × 0.21 =

The hundredths model in the figure is shaded to represent the multiplying of two numbers. Which equation can be represented by the shaded parts of the model?

Use the decimal model to find the product.

4 × 0.13 =

• F

• G

• H

• J