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7.08 Story problems with adding and subtracting fractions

Interactive practice questions

Victoria is baking muffins and a cake. The muffin recipe uses $\frac{2}{3}$23 of a cup of sugar, while the cake recipe uses $\frac{1}{4}$14 of a cup of sugar.

How much sugar is needed in total to bake the muffins and the cake?

Easy
2min

Tina runs $\frac{1}{8}$18 of a mile on her way to school, then walks the remaining $\frac{4}{5}$45 of a mile.

How far does she travel in total to get to school?

Easy
2min

Yuri has $\frac{8}{9}$89 meters of ribbon. After he uses some ribbon to wrap a present, he has $\frac{1}{8}$18 meters left.

How much ribbon did he use for the present?

Easy
2min

At an outdoor animal-themed event, Vincent spends $\frac{3}{9}$39 of an hour visiting chickens and $\frac{3}{7}$37 of an hour visiting alpacas.

How much time does he spend visiting these animals?

Easy
2min
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Outcomes

5.NF.A.2

Solve contextual problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators. Use benchmark fractions and number sense of fractions to estimate mentally and assess the reasonableness of answers. For example, recognize an incorrect result 2/5 + 1/2 = 3/7, by observing that 3/7 < 1/2.

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