Ratios, Equivalent Ratios, and Ratio Tables SG

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 write the ratio of girls to boys if there are 7 girls and 5 boys?

Back

7 to 5

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different, such as 1:2 and 2:4.

Front

If the ratio of red toy cars to all toy cars is 3:10, how many total toy cars are there if there are 3 red toy cars?

Back

10 total toy cars.

Front

What is the ratio of triangles to squares if there are 4 triangles and 3 squares?

Back

4:3

Front

How do you find a missing value in a ratio table?

Back

To find a missing value in a ratio table, use equivalent ratios to set up a proportion and solve for the unknown.

Front

If the ratio of sweaters to vests is 6:5 and there are 30 vests, how many sweaters are there?

Back

36 sweaters.

Front

What is the ratio of boys to girls if there are 5 boys and 7 girls?

Back

5:7

Front

Which of the following ratios is equivalent to 2:6? 6:18, 8:30, 4:6, 6:2

Back

6:18

Front

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

Back

2:3