RATIO- PROPORTION

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using a colon (e.g., 2:3), as a fraction (e.g., 2/3), or in words (e.g., '2 to 3').

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and then solve for the unknown variable.

Front

If the ratio of apples to bananas is 2:3, how many apples are there if there are 15 bananas?

Back

10 apples.

Front

What does it mean if two ratios are proportional?

Back

It means that the two ratios express the same relationship between their quantities.

Front

Is the statement 8:9 = 24:18 true or false?

Back

False.

Front

What is the ratio of triangles to squares if there are 4 triangles and 3 squares?

Back

The ratio is 4:3.

Front

Determine if the ratios 4/5 and 15/20 are proportional.

Back

No, they are not proportional.

Front

What is the first step in solving a proportion?

Back

Identify the two ratios that are being compared.