Modeling Decimal Multiplication and Division

Which expression does the model show?

• 0.7 x 0.4

• 4 x 0.7

• 7 x 0.4

• 7 x 4

Which expression does the model show?

• 0.6 x 7

• 0.6 x 0.7

• 7 x 6

• 6 x 0.7

Which of the following equations represents the model?

• 15 x 18

• 1.5 x 0.18

• 1.5 x 1.8

• 0.15 x 0.18

Which equation is represented by the model?

• 0.3 x 0.5 = 0.15

• 3 x 5 = 15

• 0.3 x 0.5 = 15

• 0.3 x 0.5 = 1.5

Which equation matches the model?

• 0.4 x 0.3 = 0.12

• 12 x 0.3 = 3.6

• 3 x 4 = 12

• 3 x .12 = 0.36

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

This is a multiplication model that represents the following:

• 8 x 2 = 16

• 0.2 x 0.8 = 0.16

• 0.8 x .16 = 24

• 0.8 x .02 = 1.6

What decimal multiplication equation represent the model?

• 1.2 x 0.6 = 0.72

• 12 x 6 = 72

• 1.2 x 0.6 = 7.2

• 1.2 x 12 = 14.4

What is 0.73 x 0.18?

What is 7.31 x 3.4?