Ratios/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

How do you write the ratio of 2 eggs to 3 cups of flour?

Back

The ratio of 2 eggs to 3 cups of flour can be written as 2:3.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between quantities, even if the numbers are different, such as 2:3 and 4:6.

Front

If a recipe calls for 2 eggs and 3 cups of flour, how many eggs and cups of flour are needed for 3 batches?

Back

6 eggs and 9 cups of flour.

Front

What is the ratio of 13 animals to 4 crabs?

Back

The ratio is 13:4.

Front

Which of the following ratios is equivalent to 12:20?

Back

3:5.

Front

Is 4:8 an example of an equivalent ratio to 1:2?

Back

True.

Front

Which ratio is equivalent to 5 to 4?

Back

25 to 20.

Front

How can you simplify the ratio 10:15?

Back

By dividing both numbers by 5, it simplifies to 2:3.

Front

What is the first step to find an equivalent ratio?

Back

Multiply or divide both terms of the ratio by the same non-zero number.