Representing Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another. It can be expressed in different forms such as fractions, decimals, or with a colon (e.g., 3:2).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you write a ratio?

Back

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does a ratio of 2:1 mean?

Back

A ratio of 2:1 means that for every 2 units of the first quantity, there is 1 unit of the second quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can you simplify a ratio?

Back

To simplify a ratio, divide both sides of the ratio by their greatest common divisor (GCD). For example, the ratio 4:2 can be simplified to 2:1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of all shapes to triangles if there are 4 shapes and 2 triangles?

Back

The ratio of all shapes to triangles is 4:2, which simplifies to 2:1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 3 turtles and 10 total animals, what is the ratio of turtles to all animals?

Back

The ratio of turtles to all animals is 3:10.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of pennies to quarters if there are 5 pennies and 11 quarters?

Back

The ratio of pennies to quarters is 5:11.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the ratio of two quantities?

Back

To find the ratio of two quantities, divide each quantity by the other. For example, if there are 8 apples and 4 oranges, the ratio is 8:4, which simplifies to 2:1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares two different parts of a whole. For example, in a class of 10 students with 6 boys and 4 girls, the part-to-part ratio of boys to girls is 6:4.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a part-to-whole ratio?

Back

A part-to-whole ratio compares a part of a whole to the entire whole. For example, if there are 3 turtles in a group of 13 animals, the part-to-whole ratio of turtles to all animals is 3:13.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2