Ratios/Ratio Tables

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 the ratio of coaches to players if there are 3 coaches and 10 players?

Back

3 to 10

Front

If a bag contains 2 red marbles and 5 yellow marbles, what is the ratio of red to yellow marbles?

Back

2 to 5

Front

How many tablets of iodine are needed to disinfect 4 quarts of water if 2 tablets are needed for 1 quart?

Back

8 tablets

Front

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

Back

5 to 7

Front

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

Back

3 to 2

Front

What is a ratio table?

Back

A ratio table is a table that shows the relationship between two quantities by listing pairs of numbers that maintain the same ratio.

Front

If the ratio of cats to dogs is 4 to 3, how many dogs are there if there are 12 cats?

Back

9 dogs (4 cats : 3 dogs means for every 4 cats, there are 3 dogs. If there are 12 cats, then 12/4 = 3, so 3 * 3 = 9 dogs.)

Front

What does it mean if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same fraction.