Intro to Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

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 is the ratio of boys to girls if there are 13 boys and 10 girls?

Back

13 to 10

Front

What is the simplest form of the ratio of red LEGOs (3) to yellow LEGOs (6)?

Back

1/2

Front

What type of ratio is 5 out of 23 kids playing trumpet?

Back

Part to whole

Front

What type of ratio is 4 apples to 3 oranges?

Back

Part to part

Front

If there are 2 oranges out of 6 total fruits, what is the ratio of oranges to fruit?

Back

2:6

Front

What does it mean if a ratio is in simplest form?

Back

A ratio is in simplest form when the numbers cannot be reduced any further.

Front

How do you find the simplest form of a ratio?

Back

To find the simplest form, divide both parts of the ratio by their greatest common divisor (GCD).

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares two parts of a whole to each other.