Ratios & 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:b'.

Front

How do you write a ratio in simplest form?

Back

To write a ratio in simplest form, divide both terms of the ratio by their greatest common factor.

Front

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form a ratio, helping to visualize the relationship between the quantities.

Front

If the ratio of A to B is 2:3, what is the value of B if A is 8?

Back

If A is 8, then B is 12, because 8/2 = 4 and 4 * 3 = 12.

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 simplify to the same fraction.

Front

How can you find a missing value in a ratio table?

Back

To find a missing value in a ratio table, use equivalent ratios or cross-multiplication to solve for the unknown.

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 Julie's ratio of water to sugar is 4:2, what is the ratio in simplest form?

Back

The simplest form of Julie's ratio is 2:1.

Front

What is the missing value if the ratio is 5:15 and one value is 5?

Back

The missing value is 15.