Ratios and Equivalent Ratios

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 does it mean for two ratios to be equivalent?

Back

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

Front

How can you find an equivalent ratio?

Back

You can find an equivalent ratio by multiplying or dividing both terms of the ratio by the same non-zero number.

Front

What is the ratio of chocolate chips to flour in a recipe that calls for 3 cups of flour and 2 cups of chocolate chips?

Back

The ratio of chocolate chips to flour is 2:3.

Front

If the ratio of boys to girls in a class is 3:4, how many boys are there if there are 28 girls?

Back

There are 21 boys.

Front

What is the first step to solve for an unknown in a ratio problem?

Back

Identify the known ratios and set up a proportion to solve for the unknown.

Front

Find one equivalent ratio for 15:30 using division.

Back

5:10.

Front

In the ratio 4:1, what does the '4' represent?

Back

The '4' represents the quantity of the first item in the comparison.

Front

If a recipe requires 2 cups of sugar for every 5 cups of flour, what is the ratio of sugar to flour?

Back

The ratio of sugar to flour is 2:5.

Front

What is a real-life example of a ratio?

Back

A real-life example of a ratio is 4 meatballs to 1 cup of sauce.