Intro to Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows 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., 3:4), as a fraction (e.g., 3/4), or with the word 'to' (e.g., 3 to 4).

Front

What does the term 'part' mean in ratios?

Back

A 'part' refers to one of the quantities being compared in a ratio.

Front

What does the term 'whole' mean in ratios?

Back

The 'whole' refers to the total amount or the sum of all parts in a ratio.

Front

If there are 3 circles and 4 squares, what is the ratio of circles to squares?

Back

The ratio of circles to squares is 3:4.

Front

If there are 6 pears and 3 apples, what is the ratio of pears to apples?

Back

The ratio of pears to apples is 6:3, which can be simplified to 2:1.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of monkeys to bananas if there are 4 monkeys and 5 bananas?

Back

The ratio of monkeys to bananas is 4:5.

Front

Patrick has 2 black, 3 red, and 5 white toy cars. What is the ratio of red toy cars to all toy cars?

Back

The ratio of red toy cars to all toy cars is 3:10.

Front

What is the ratio of smiley faces to hearts if there are 4 smiley faces and 6 hearts?

Back

The ratio of smiley faces to hearts is 4:6, which can be simplified to 2:3.