Dividing Decimals by Whole Number with Models

Kyle had to divide a decimal by a whole number, and so he drew a diagram using the symbols shown in the key. The diagrams show his dividend before he divided it by the divisor and after. Which equation represents the model after dividing?

• 12. 42 divided by 4 = .012

• 12.48 divided by 3 = 1.42

• 1.248 divided by 3 = 4.12

• 12.48 divided by 4 = 3.12

0.21 divided by 7 =?

• 0.3

• 0.03

• 3.0

• 0.04

1.8 divided by 9 = _____

• 0.02

• 0.3

• 0.2

• 2

Amaya solved a division problem using a grid. What were her dividend and divisor? What is their quotient?

• 0.8 divided by 4 = 0.2

• 8 divided by 0.4 = 2

• 0.08 divided by 0.04 = 0.02

• 0.8 divided by 2 = 0.4

• F

• G

• H

• J

Representations Terrance used base-ten blocks to help him divide a decimal by 4. His model is shown. What division problem did he model?

• 26 ÷ 4

• 1.62 ÷ 4

• 6.48 ÷ 4

• 6.84 ÷ 4

Which equation is best represented by this model?

• 4.5 - 1.75 = 2.75

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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

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