Ratios (6.RP.1) 2021

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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' or a:b.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What does a ratio table represent?

Back

A ratio table is a visual model that displays pairs of numbers that form equivalent ratios.

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How can you express a ratio?

Back

A ratio can be expressed in three ways: as a fraction (a/b), with a colon (a:b), or in words (a to b).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of 4 baseball bats to 3 baseballs?

Back

The ratio of baseball bats to balls is 4:3.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If Ms. Artiste has 7 markers and 8 crayons, what is the ratio of markers to crayons?

Back

The ratio of markers to crayons is 7 to 8.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of crayons to coloring pencils if there are 8 crayons and 9 coloring pencils?

Back

The ratio of crayons to coloring pencils is 8:9.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the first step to find a ratio?

Back

The first step to find a ratio is to identify the two quantities you want to compare.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Can a ratio be simplified?

Back

Yes, a ratio can be simplified by dividing both terms by their greatest common factor.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

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.

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CCSS.6.RP.A.3A

Front

If the ratio of boys to girls in a class is 2:3, how many boys are there if there are 15 girls?

Back

If the ratio is 2:3, then there are 10 boys (2/3 = x/15, solving gives x = 10).