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 create a ratio table?

Back

A ratio table is created by listing pairs of numbers that maintain a constant ratio. Start with known values and use multiplication or division to find missing values.

Front

What does it mean to complete a ratio table?

Back

Completing a ratio table means filling in missing values so that all pairs of numbers maintain the same ratio.

Front

If the ratio of apples to oranges is 2:3, how many oranges are there if there are 8 apples?

Back

There are 12 oranges. (8 apples * 3/2 = 12 oranges)

Front

What is the missing value in the ratio table if the ratio is 4:5 and one value is 20?

Back

The missing value is 25. (20 * 5/4 = 25)

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 a proportion?

Back

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

Front

If Kaleigh buys 3 apps for $9, how much would 7 apps cost?

Back

$21. (If 3 apps cost $9, then 7 apps cost $21 based on the ratio.)

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 can you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor.