Ratio Tables

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.

To find the unit rate, divide the quantity by the number of units. For example, if you travel 150 miles on 5 gallons, the unit rate is 150 miles ÷ 5 gallons = 30 miles per gallon.

A ratio table is a tool used to organize and compare ratios. It lists pairs of numbers that have the same ratio.

To complete a ratio table, identify the pattern in the existing ratios and use multiplication or division to find the missing values.

22 students per class (88 students ÷ 4 classes = 22 students/class).

Ratio tables help visualize relationships between quantities, making it easier to solve problems involving proportions.

Each app costs $3 ($9 ÷ 3 apps = $3/app).

The missing number is 10 (1 × 10 = 5 × 2).

Two ratios are equivalent if they simplify to the same fraction or if their cross products are equal.

30 miles per gallon (150 miles ÷ 5 gallons = 30 miles/gallon).