Understanding Ratios

Front

What is a ratio?

Back

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

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or with the word 'to' (e.g., 3 to 2).

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio means that the numbers in the ratio have been reduced to their smallest whole number form.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of 8 apples to 4 oranges?

Back

The ratio of apples to oranges is 2:1 after simplification.

Front

If there are 12 boys and 8 girls in a class, what is the ratio of boys to girls?

Back

The ratio of boys to girls is 3:2 after simplification.

Front

What is the ratio of 5 red marbles to 15 blue marbles?

Back

The ratio of red marbles to blue marbles is 1:3 after simplification.

Front

How do you find the total parts in a ratio?

Back

To find the total parts in a ratio, add the numbers in the ratio together.

Front

What is the total parts in the ratio 3:5?

Back

The total parts in the ratio 3:5 is 8 (3 + 5).

Front

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

Back

The ratio of flour to sugar is 2:3.