Writing Ratios 3 Ways

Front

What is a ratio?

Back

A ratio is a way to compare two quantities by using division. It shows how many times one value contains or is contained within the other.

Front

What does 'part to part' ratio mean?

Back

A part to part ratio compares one part of a group to another part of the same group.

Front

What does 'part to whole' ratio mean?

Back

A part to whole ratio compares one part of a group to the total amount of the group.

Front

What is additive reasoning?

Back

Additive reasoning is when you compare quantities by adding or subtracting.

Front

What is multiplicative reasoning?

Back

Multiplicative reasoning is when you compare quantities by multiplying or dividing.

Front

If there are 4 apples and 2 oranges, what is the ratio of apples to oranges?

Back

The ratio of apples to oranges is 4:2, which can be simplified to 2:1.

Front

If there are 6 cats and 3 dogs, what is the ratio of cats to total animals?

Back

The ratio of cats to total animals is 6 cats to 9 animals, or 6:9, which can be simplified to 2:3.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using a colon (2:3), as a fraction (2/3), or with the word 'to' (2 to 3).

Front

What is the ratio of 5 boys to 3 girls?

Back

The ratio of boys to girls is 5:3.

Front

If there are 10 red balls and 5 blue balls, what is the ratio of red balls to all balls?

Back

The ratio of red balls to all balls is 10 red balls to 15 balls, or 10:15, which can be simplified to 2:3.