Introduction to Ratios 6RP1

Front

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:b'.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does a part-to-part ratio represent?

Back

A part-to-part ratio compares two parts of a whole, showing how much of one part there is compared to another part.

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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, showing how much of the whole is made up by that part.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of total heads to total legs in a group of 4 humans?

Back

4:16 (since each human has 1 head and 2 legs, total heads = 4, total legs = 8).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 2 girls and 4 boys, what is the ratio of girls to total humans?

Back

2:6 or simplified to 1:3.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

On a human, what is the ratio of arms to fingers?

Back

2:10 (2 arms and 10 fingers).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of males to females in a group of 5 males and 5 females?

Back

5:5 or simplified to 1:1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you simplify the ratio 4:8?

Back

By dividing both sides by 4, it simplifies to 1:2.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is an example of a whole-to-whole ratio?

Back

Comparing the total number of students in two different classes.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

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

Back

2:4 or simplified to 1:2.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2