Proportions and 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. It can be expressed in different forms, such as fractions, decimals, or with a colon (e.g., 3:2).

Front

How do you write a ratio of boys to girls if there are 5 boys and 7 girls?

Back

The ratio of boys to girls is written as 5:7.

Front

What is a proportion?

Back

Front

If 14 sticks of pepperoni are needed for 28 pizzas, how many sticks are needed for 1 pizza?

Back

Front

What is the missing value in the ratio table if the ratio is 3:4 and the first value is 12?

Back

Front

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

Back

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

Front

What is the value of A in the ratio table if the ratio is 2:3 and the first value is 6?

Back

Front

If a car travels 50 miles in 40 minutes, how far does it travel in 20 minutes?

Back

The car travels 25 miles in 20 minutes, as it travels at a constant speed.

Front

What is the ratio of girls to total students if there are 5 boys and 7 girls?

Back

Front

How do you express a ratio as a fraction?

Back