Multiplying and Dividing Decimals Models

• 0.42

• 0.36

• 0.48

• 0.58

Tags

CCSS.5.NBT.B.7

• 0.09

• 0.009

• 0.9

• 9

Tags

CCSS.5.NBT.A.2

Tags

CCSS.5.NBT.B.7

Tags

CCSS.5.NBT.B.7

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CCSS.5.NBT.B.7

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.

Tags

CCSS.5.NBT.B.7

The hundredths model in the figure is shaded to represent the multiplying of two numbers.

• 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

Tags

CCSS.5.NBT.B.7

Which equation does this model represent?

• 0.80 x 0.33 = 0.24

• 0.8 x 0.24 = 0.3

• 0.3 x 0.8 = 0.24

• 0.24 x 0.3 = 0.8

Tags

CCSS.5.NBT.B.7

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CCSS.4.NBT.B.6

CCSS.5.NBT.B.6

What is the equation for the decimal multiplication model?

• 25 x 8 =200

• 0.25 x 8 = 0.20

• 0.8 x 25 = 2.0

• 8 x 0.25 = 2.00

Tags

CCSS.5.NBT.B.7