Dividing Decimals Using Models

• The product is 80

• The product is 15

• The product is 0.15

• The quotient is 0.15

• 0.2 x 0.04 = 0.2

• 0.2 x 0.2 = 0.4

• 0.2 x 0.2 = 4

• 0.2 x 0.2 = 0.04

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The model represents the decimal value 0.21. Which of the following describes a way to use the model to solve the division problem 0.21 ÷ 0.07?

• Count how many groups of seven squares are in the shaded area.

• Count how many unshaded squares are in the first seven rows of the model.

• Calculate the fraction of squares that are shaded in the first seven rows of the model.

What is the quotient based on the model?

• 0.9

• 0.2

• 0.02

• 0.09

Which equation is represented by the model?

• 12 ÷ 4 = 0.3

• 1.2 ÷ 0.4 = 0.3

• 1.2 ÷ 4 = 0.3

• 1.2 ÷ 0.3 = 4

Which expression does the model represent?

• 24 + 24

• 4.8 ÷ 2

• 7.2 ÷ 2

• 4.8 - 2.4

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