Is it a Proportion?

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

What does it mean for two ratios to be proportional?

Back

Two ratios are proportional if they express the same relationship between quantities.

Front

How do you determine if two ratios form a proportion?

Back

Cross-multiply the ratios and see if the products are equal.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

4 red apples to 3 green apples.

Front

Which of the following ratios is proportional to 5/6? 6/5, 50/75, 25/30, 12/10

Back

25/30.

Front

What is the first step in solving a proportion problem?

Back

Identify the two ratios you are comparing.

Front

If a ratio is 3:4, what is the equivalent ratio if both terms are multiplied by 2?

Back

6:8.

Front

What is an example of a non-proportional ratio?

Back

2:3 and 4:5 are not proportional.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions.

Front

If 10 oranges cost $5, what is the unit rate?

Back

$0.50 per orange.