Ratios/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

How do you write a ratio in simplest form?

Back

To write a ratio in simplest form, divide both terms of the ratio by their greatest common divisor (GCD).

Front

What is a ratio table?

Back

A ratio table is a table that shows the relationship between two quantities in a ratio, often used to find equivalent ratios.

Front

If the ratio of boys to girls in a class is 2:3, how many boys are there if there are 15 girls?

Back

There are 10 boys. (Using the ratio 2:3, if 3 parts represent 15 girls, then 2 parts represent 10 boys.)

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Front

How do you find a missing value in a ratio?

Back

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

Front

What is the ratio of 12 to 16 in simplest form?

Back

The simplest form of the ratio 12 to 16 is 3:4.

Front

In a recipe, the ratio of sugar to flour is 1:4. If you use 2 cups of sugar, how much flour do you need?

Back

You need 8 cups of flour. (Using the ratio 1:4, if 1 part is 2 cups, then 4 parts are 8 cups.)

Front

What does it mean if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they simplify to the same fraction.

Front

If a car travels 60 miles in 1 hour, what is the ratio of distance to time?

Back

The ratio of distance to time is 60 miles to 1 hour, or 60:1.