Ratio Tables

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

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios, helping to visualize the relationship between the quantities.

Front

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

Back

To find a missing value in a ratio table, use equivalent ratios to set up a proportion and solve for the unknown.

Front

If 1 scoop of coffee grounds requires 2 cups of water, how many cups are needed for 3 scoops?

Back

6 cups of water.

Front

What is the purpose of using ratio tables?

Back

Ratio tables help in solving problems involving proportional relationships and make it easier to find missing values.

Front

If 3 tennis balls are in 1 tube, how many tennis balls are in 10 tubes?

Back

30 tennis balls.

Front

What is the relationship between the number of days and countries traveled if Mr. Bertram travels 42 countries in 60 days?

Back

The relationship is a constant rate of travel, which can be used to find how many countries he would travel in a different number of days.

Front

How do you set up a proportion to find a missing value?

Back

Set up a fraction with known values equal to a fraction with the unknown value, then cross-multiply to solve.

Front

What is the missing number in the ratio table if the known values are 3 and 12?

Back

The missing number is 9, as the ratio 3:12 simplifies to 1:4.

Front

If a recipe calls for 4 cups of flour for 2 batches, how much flour is needed for 5 batches?

Back

10 cups of flour.