Ratios! (Part/Part to Part/Whole)

Front

What is a ratio?

Back

A ratio is a way to compare two quantities by using division. It shows how many times one value contains or is contained within the other.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does part/part ratio mean?

Back

A part/part ratio compares two parts of a whole. For example, if there are 2 apples and 3 oranges, the part/part ratio of apples to oranges is 2:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does part/whole ratio mean?

Back

A part/whole ratio compares a part to the total amount. For example, if there are 2 apples out of 10 fruits, the part/whole ratio of apples to all fruits is 2:10.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both parts of the ratio by their greatest common divisor (GCD). For example, 4:8 simplifies to 1:2.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of 1 dog to 3 total animals?

Back

1:3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 2 oranges and 4 total fruits, what is the ratio of oranges to total fruits?

Back

2:4 or simplified to 1:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

In a class of 10 students, if 4 are girls, what is the ratio of girls to students?

Back

4:10 or simplified to 2:5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

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

Back

5:10 or simplified to 1:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of 3 cats to 6 total animals?

Back

3:6 or simplified to 1:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 8 apples and 12 fruits in total, what is the ratio of apples to total fruits?

Back

8:12 or simplified to 2:3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2