Fractions Review

Fractions Review

Equivalent Fractions

Multiplying (or dividing) the numerator or denominator by the same number is like multiplying by 1 (so the fraction LOOKS different, but represents the same amount).

Multiple Select

 $Which\ of\ the\ following\ is\ equivalent\ to\ \frac{1}{3}?$ 

•  $\frac{3}{9}$  

•  $\frac{1}{4}$  

•  $\frac{100}{300}$  

•  $\frac{3}{12}$  

•  $\frac{9}{27}$  

Comparing Fractions

We don't always have to create common denominators to compare fractions.

Multiple Choice

 $Compare:\ \ \ \ \frac{1}{4}\ \ \ \ \ \ \ \ \frac{1}{8}$  

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Multiple Choice

 $Compare:\ \ \ \ \frac{5}{6}\ \ \ \ \ \ \ \ \frac{3}{8}$  

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• =

Multiple Choice

 $Compare:\ \ \ \ \frac{4}{5}\ \ \ \ \ \ \ \ \frac{8}{10}$  

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Open Ended

 $\frac{2}{7}+\frac{3}{7}+\frac{1}{7}-\frac{4}{7}=?$  

Open Ended

 $\frac{19}{25}-\frac{12}{25}=?$  

Adding Mixed Numbers

The Associative Property of the Addition allows us to group the whole number and group the fractions to add easily!

Multiple Select

 $Which\ of\ these\ is\ equal\ to\ 7\ \frac{5}{8}?$  

•   $6\ \frac{1}{8}+1\ \frac{4}{8}$  

•  $3\ \frac{1}{8}+4\ \frac{3}{8}$  

•  $5\ \frac{4}{8}+2\ \frac{6}{8}$  

Subtracting Mixed Numbers

When the first fraction is smaller than the second fraction, remember you need to regroup!