Proportions Word Problems

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Tags

CCSS.7.RP.A.2A

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the two ratios and set the products equal to each other.

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CCSS.7.RP.A.3

Front

What is the formula for finding the unit rate?

Back

The unit rate is found by dividing the quantity by the number of units, expressed as 'quantity per unit'.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 3 apples cost $1.50, what is the cost of 1 apple?

Back

The cost of 1 apple is $0.50.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions show that two ratios are equivalent.

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CCSS.6.RP.A.3A

Front

How can you use proportions to solve word problems?

Back

You can set up a proportion based on the relationships in the problem and solve for the unknown.

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CCSS.7.RP.A.3

Front

What is the first step in solving a word problem involving proportions?

Back

Identify the quantities involved and determine the relationship between them.

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CCSS.7.RP.A.3

Front

If 14 children make 84 bracelets, how many bracelets does 1 child make?

Back

1 child makes 6 bracelets.

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CCSS.3.OA.A.3

Front

If Jason practices karate for 18 hours over 3 weeks, how many hours does he practice per week?

Back

He practices 6 hours per week.

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CCSS.3.OA.A.3

Front

How do you convert grams to ounces?

Back

To convert grams to ounces, divide the number of grams by 28.35.

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CCSS.4.MD.A.1