Ratios (6th Grade)

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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.

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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 can be simplified to the same fraction.

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CCSS.6.RP.A.3A

Front

How do you find an equivalent ratio?

Back

To find an equivalent ratio, you can multiply or divide both terms of the ratio by the same non-zero number.

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CCSS.6.RP.A.3A

Front

What is the simplest form of a ratio?

Back

The simplest form of a ratio is when the two quantities are expressed in their smallest whole number form, with no common factors other than 1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of 3 apples to 5 oranges?

Back

3:5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you compare ratios?

Back

Ratios can be compared using part-to-part, whole-to-part, or part-to-whole comparisons.

Tags

CCSS.6.RP.A.3A

Front

What is the ratio of 12 to 16 in simplest form?

Back

3:4

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the cross multiplication method?

Back

The cross multiplication method is used to determine if two ratios are equivalent by multiplying the numerator of one ratio by the denominator of the other and comparing the products.

Tags

CCSS.6.RP.A.3A

Front

What is a part-to-part ratio?

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A part-to-part ratio compares two parts of a whole, such as the ratio of boys to girls in a class.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2