5.2 - Ratio practice

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

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 terms by their greatest common divisor (GCD).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of red toy cars to all toy cars if there are 3 red cars and 7 other cars?

Back

The ratio is 3:10.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a triangle has angles in the ratio of 1:2:3, how do you find the angle measures?

Back

Let the angles be x, 2x, and 3x. The sum is x + 2x + 3x = 180°. Solve for x to find the angles.

Tags

CCSS.8.G.A.5

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different.

Tags

CCSS.6.RP.A.3A

Front

How do you find an unknown value using equivalent ratios?

Back

Set up a proportion using the known ratios and cross-multiply to solve for the unknown value.

Front

What is the simplest form of the ratio 8:12?

Back

The simplest form is 2:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 10 frisbees and 8 bones in a pet store, what is the ratio of bones to frisbees?

Back

The ratio is 4:5.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the extended ratio of a triangle's angles if they are in the ratio of 1:2:3?

Back

The extended ratio is 1:2:3, which corresponds to angles of 30°, 60°, and 90°.

Tags

CCSS.HSG.SRT.C.8

Front

How do you express a ratio as a fraction?

Back

A ratio can be expressed as a fraction by placing the first quantity over the second quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2