Ratios/Ratio Tables

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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, often expressed as 'a to b'.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you write a ratio?

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Ratios can be written in three ways: using the word 'to' (e.g., 2 to 3), using a colon (e.g., 2:3), or as a fraction (e.g., 2/3).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is the ratio of red marbles to yellow marbles if there are 2 red and 5 yellow?

Back

The ratio of red to yellow marbles is 2 to 5.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If there are 5 boys and 7 girls, what is the ratio of girls to boys?

Back

The ratio of girls to boys is 7 to 5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What does it mean if a ratio is simplified?

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A simplified ratio means that the numbers in the ratio have been reduced to their smallest whole number form.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you find a missing value in a ratio table?

Back

To find a missing value in a ratio table, use equivalent ratios or cross-multiplication.

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What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio of red apples to green apples is 4 to 3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

In a ratio of 3:5, if there are 30 tenants, how many cars are there?

Back

If there are 30 tenants, there are 50 cars.

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What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between quantities, even if the numbers are different (e.g., 2:3 is equivalent to 4:6).

Tags

CCSS.6.RP.A.3A

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How can you express the ratio of 10 to 15 in simplest form?

Back

The simplest form of the ratio 10 to 15 is 2 to 3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2