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., 3:4), as a fraction (e.g., 3/4), or with the word 'to' (e.g., 3 to 4).

Front

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

Back

3:10

Front

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

Back

2:5

Front

How do you simplify the ratio 6:9?

Back

Divide both numbers by their greatest common divisor, which is 3. So, 6:9 simplifies to 2:3.

Front

What is an equivalent ratio to 3:4?

Back

12:16 is an equivalent ratio to 3:4.

Front

If there are 13 boys and 10 girls in a classroom, what is the ratio of boys to girls?

Back

13:10

Front

What is the ratio of dogs to goats if there are 9 goats and 8 dogs?

Back

8:9

Front

How do you find the total number of parts in a ratio?

Back

Add the numbers in the ratio together. For example, in the ratio 3:4, the total is 3 + 4 = 7.

Front

What does it mean if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, even if the numbers are different.