Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing 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., 3:2), as a fraction (e.g., 3/2), or with the word 'to' (e.g., 3 to 2).

Front

What is the ratio of apples to bananas if there are 10 apples and 6 bananas?

Back

10:6

Front

If the ratio of green apples to all apples is 3:7, how many green apples are there if there are 21 apples in total?

Back

9 green apples (3/7 of 21).

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

4:3

Front

How do you simplify the ratio 10:6?

Back

Divide both sides by their greatest common divisor, which is 2, resulting in 5:3.

Front

What is a ratio table?

Back

A ratio table is a tool used to organize pairs of numbers that form equivalent ratios.

Front

If a ratio table shows 4:8, what is the equivalent ratio when both sides are divided by 4?

Back

1:2

Front

What is the missing value in the ratio table if the ratio is 2:4 and the missing value is on the left side?

Back

1 (because 1:2 is equivalent to 2:4).

Front

How can you find a missing value in a ratio?

Back

You can set up a proportion and cross-multiply to find the missing value.