Setting Up Proportions

Front

What is a proportion?

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A proportion is an equation that states that two ratios are equal. For example, if a/b = c/d, then a, b, c, and d are in proportion.

Tags

CCSS.7.RP.A.2A

Front

How do you set up a proportion?

Back

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CCSS.7.RP.A.2C

Front

What is cross-multiplication in proportions?

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CCSS.7.RP.A.3

Front

If 54 pounds of gummy bears cost $450, how many pounds can you buy for $50?

Back

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CCSS.7.RP.A.3

Front

What is the relationship between ratios and proportions?

Back

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CCSS.6.RP.A.3A

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How do you find an unknown in a proportion?

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To find an unknown in a proportion, set up the proportion and use cross-multiplication to solve for the unknown variable.

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CCSS.7.RP.A.2C

Front

What is the formula for setting up a proportion based on a word problem?

Back

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CCSS.7.RP.A.2C

Front

If Pablo's Macho Tacos sells 7 burritos for every 9 tacos, how many tacos are sold if 63 burritos are sold?

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CCSS.7.RP.A.3

Front

What is the importance of proportions in real-life situations?

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Proportions help in comparing quantities and making predictions based on known relationships, such as recipes, scale models, and financial calculations.

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CCSS.7.RP.A.3

Front

How can proportions be used to solve problems involving rates?

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Proportions can be used to compare rates, such as speed or cost per item, by setting up a ratio of the quantities involved and solving for the unknown.

Tags

CCSS.7.RP.A.3