IM Unit's 1-4 Math Review

How many 1/2s are in 2?

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• 2

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• 4

How many 1/2s are in 4?

• 2

• 4

• 6

• 8

How many 1/2s are in

 $1\ \frac{1}{2}\ ?$  

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• 2

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• 4

 $2\ \div\ \frac{1}{2}$  

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• 2

• 3

• 4

 $3\ \frac{1}{2}\ \div\frac{1}{2}$  

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• 4

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 $2\ \div\ \frac{1}{3}$  

• 3

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Which is another way to write,  $3\ \div\ \frac{1}{2}$  ?

•  $3\ \cdot\ ?\ =\frac{1}{2}$  

•  $\frac{1}{2}\ \cdot\ ?\ =\ 3$  

•  $3\ \cdot\ \frac{1}{2}\ =\ ?$  

Which two ways could you write,  $4\ \div\ \frac{1}{2}$  ?

•  $\frac{1}{2}\ \cdot\ ?\ =\ 4$  

•  $4\cdot\frac{2}{1}\ =?$  

•  $4\cdot\frac{1}{2}=?$  

Which two equations match,  $5\ \frac{1}{3}\ \div\ 2\ \frac{1}{4}=?$  

•  $2\ \frac{1}{4}\ \cdot\ ?=5\ \frac{1}{3}$  

•  $5\ \frac{1}{3}\cdot2\ \frac{1}{4}=?$  

•  $\frac{16}{5}\cdot\frac{9}{4}=?$  

•  $\frac{16}{3}\cdot\frac{4}{9}=?$  

Which equation matches the following scenario, Ethan ate  $4\ \frac{1}{2}$  slices of pizza and Bob ate  $2\ \frac{2}{3}$  slices of pizza. How many more times than Bob, did Ethan eat slices of pizza?

•  $4\ \frac{1}{2}\cdot\ 2\ \frac{2}{3}\ =?$  

•  $2\ \frac{2}{3}\div4\ \frac{1}{2}=?$  

•  $4\ \frac{1}{2}\div2\ \frac{2}{3}=?$