Ratio L2 Study Guide

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 to b' or a:b.

Front

How do you find a missing value in a ratio table?

Back

To find a missing value in a ratio table, you can set up a proportion based on the known values and solve for the unknown.

Front

If 1 tube contains 3 tennis balls, how many tennis balls are in 32 tubes?

Back

96 tennis balls (3 balls/tube * 32 tubes = 96 balls).

Front

What is the purpose of a ratio table?

Back

A ratio table is used to organize and compare ratios, making it easier to see relationships between quantities.

Front

How do you scale a ratio?

Back

To scale a ratio, multiply or divide both terms of the ratio by the same number.

Front

What is the ratio of coffee scoops to cups of water if 1 scoop requires 2 cups?

Back

The ratio is 1:2 (1 scoop of coffee for every 2 cups of water).

Front

If you have a ratio of 10:5, what is the simplified form?

Back

The simplified form is 2:1.

Front

What is the missing number in the ratio 10:x = 5:2?

Back

The missing number is 4 (cross-multiply and solve: 10*2 = 5*x).

Front

How do you convert a ratio to a fraction?

Back

To convert a ratio to a fraction, write the first quantity as the numerator and the second quantity as the denominator.

Front

What is the missing number in the ratio table if the ratio is 3:9?

Back

The missing number is 9 (3:9 simplifies to 1:3).