Ratios and 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 simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is a ratio table?

Back

A ratio table is a tool used to organize pairs of numbers that form equivalent ratios, helping to visualize relationships between quantities.

Front

If the ratio of boys to girls in a class is 2:3, how many boys are there if there are 15 girls?

Back

There are 10 boys. (Using the ratio 2:3, if 3 parts represent 15 girls, then 2 parts represent 10 boys.)

Front

What is the ratio of 4 apples to 10 oranges?

Back

The ratio can be simplified to 2:5.

Front

How do you find a missing value in a ratio?

Back

You can find a missing value by setting up a proportion and cross-multiplying to solve for the unknown.

Front

What is the ratio of 3 red marbles to 5 blue marbles?

Back

The ratio is 3:5.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

How can you express the ratio of 10 to 25 in simplest form?

Back

The simplest form is 2:5.

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.