6th Grade Ratios/Ratio Descriptions

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What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What does a part-to-part ratio represent?

Back

A part-to-part ratio compares two different parts of a whole.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does a part-to-whole ratio represent?

Back

A part-to-whole ratio compares a part of a quantity to the entire quantity.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you write a ratio?

Back

A ratio can be written using a colon (:) or the word 'to'. For example, 2:5 or 2 to 5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 3 apples and 5 oranges, what is the part-to-part ratio of apples to oranges?

Back

The part-to-part ratio of apples to oranges is 3:5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a recipe calls for 4 cups of sugar and 2 cups of flour, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:4 or simplified to 1:2.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of purple circles to red circles if there are 6 purple circles and 5 red circles?

Back

The ratio of purple circles to red circles is 6:5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

In a class of 20 students, if 12 are girls, what is the ratio of girls to the total number of students?

Back

The ratio of girls to total students is 12:20 or simplified to 3:5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of moons to suns if there are 4 moons and 8 suns?

Back

The ratio of moons to suns is 4:8 or simplified to 1:2.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a car travels 60 miles in 1 hour, what is the ratio of distance to time?

Back

The ratio of distance to time is 60 miles to 1 hour, or 60:1.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2