Intro to Ratios

Front

What is a ratio?

Back

A ratio is a mathematical way to compare two or more quantities, showing the relative size of one quantity to another.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using a colon (e.g., 4:3), as a fraction (e.g., 4/3), or with the word 'to' (e.g., 4 to 3).

Front

What does the first number in a ratio represent?

Back

The first number in a ratio represents the quantity of the first item being compared.

Front

What does the second number in a ratio represent?

Back

The second number in a ratio represents the quantity of the second item being compared.

Front

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

Back

4:3

Front

If there are 3 squares and 6 circles, what is the ratio of squares to circles?

Back

3:6 or simplified to 1:2.

Front

True or False: A ratio can only compare two quantities.

Back

False. A ratio can compare two or more quantities.

Front

If there are 3 circles and a total of 7 shapes, what is the ratio of circles to total shapes?

Back

3:7

Front

If there are 5 boys and 4 girls, what is the ratio of boys to girls?

Back

5:4

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares different parts of a whole, such as boys to girls.