Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

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Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:4), as a fraction (e.g., 3/4), or with the word 'to' (e.g., 3 to 4).

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CCSS.6.RP.A.1

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Front

What does the term 'part-to-part' ratio mean?

Back

A part-to-part ratio compares different parts of a whole, such as the ratio of circles to squares.

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Front

What does the term 'part-to-whole' ratio mean?

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A part-to-whole ratio compares a part of the whole to the entire whole, such as the ratio of red circles to total circles.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 3 circles and 4 squares, what is the ratio of circles to total shapes?

Back

The ratio of circles to total shapes is 3:7.

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CCSS.6.RP.A.1

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Front

If there are 4 rectangles and 3 circles, what is the ratio of rectangles to circles?

Back

The ratio of rectangles to circles is 4:3.

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CCSS.6.RP.A.1

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If there are 7 total shapes and 3 of them are circles, what is the ratio of total shapes to circles?

Back

The ratio of total shapes to circles is 7:3.

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CCSS.6.RP.A.1

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If there are 5 bananas and 4 monkeys, what is the ratio of bananas to monkeys?

Back

The ratio of bananas to monkeys is 5:4.

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CCSS.6.RP.A.1

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Front

If there are 5 red circles and 10 total circles, what is the ratio of red circles to total circles?

Back

The ratio of red circles to total circles is 5:10.

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CCSS.6.RP.A.1

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Front

What is the simplest form of the ratio 5:10?

Back

The simplest form of the ratio 5:10 is 1:2.

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