Ratios, Rate and Equivalent Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you express a ratio as a fraction?

Back

To express a ratio as a fraction, write the first quantity as the numerator and the second quantity as the denominator.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of girls to boys if there are 9 girls and 7 boys?

Back

9 to 7.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a recipe calls for 4 meatballs for every 1 cup of sauce, what is the ratio of meatballs to sauce?

Back

4 to 1.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they simplify to the same fraction.

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CCSS.6.RP.A.3A

Front

Which of the following is NOT equivalent to 3:5? 15:25, 9:15, 21:28, 30:50

Back

21:28.

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CCSS.6.RP.A.3A

Front

Write the ratio of daisies to roses if there are 7 daisies and 19 roses in three different ways.

Back

7 to 19, 7:19, 7/19.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 18 ounces of liquid and 3 cups, what is the ratio of ounces to cups in simplest form?

Back

6 to 1.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is an example of a real-life ratio?

Back

4 meatballs : 1 cup of sauce.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can you simplify the ratio 12:16?

Back

By dividing both numbers by their greatest common divisor, which is 4, resulting in 3:4.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2