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2.09 Working with percentages

Interactive practice questions

Consider the fraction $\frac{9}{10}$910.

a

Fill in the missing numerator.

$\frac{9}{10}$910 $=$= $\frac{\editable{}}{100}$100

b

Hence express $\frac{9}{10}$910 as a percentage.

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Convert $\frac{5}{10}$510 into a percentage.

Convert $\frac{3}{4}$34 into a percentage.

Fill in the missing numerator.

Outcomes

6.RP.3

Use ratio and rate reasoning to solve real-world and mathematical problems, e.g. By reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.

6.RP.3.c

Find a percent of a quantity as a rate per 100 (e.g. 30% Of a quantity means 30/100 times the quantity); solve problems involving finding the whole given a part and the percent.

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