multiply/fraction models

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Edgar made this model to represent a division problem. Which division problem did he represent?

A teacher wrote the expression shown on the board. Which models represent the expression the teacher wrote? Select two correct answers.

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The model represents a division problem. Which division problem does the model represent?

• 1.8 ÷ 5 = 0.32

• 1.08 ÷ 5 = 0.36

• 0.18 ÷ 5 = 0.36

• 1.8 ÷ 5 = 0.36

The hundredths model is shaded to represent the multiplication of two decimals. Which equation can be represented by the shaded parts of the model?

• 0.05 x 0.06 = 0.03

• 0.5 x 0.6 = 0.03

• 0.05 x 0.06 = 0.3

• 0.5 x 0.6 = 0.3

Which visual model represents 2 x 2/6?

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Which model represents 3/5 of 15?

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Which model represents the expression 4 ÷ 1/8?

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Which number line best models the expression 3 ÷ 1/3?

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Your friend uses the model below and says 0.12 ÷ 0.04 = 0.03. Is your friend correct? Explain.

• yes; There are 3 groups of 0.04 in 0.12.

• no; There are 4 groups of 0.03 in 0.12.

• no; There are 3 groups of 0.04 in 0.12.

• yes; There are 4 groups of 0.03 in 0.12.