Writing 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., 3:2), as a fraction (e.g., 3/2), or with the word 'to' (e.g., 3 to 2).

Front

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

Back

4 red apples to 3 green apples.

Front

If Donald's Donuts makes 13 glazed donuts for every 7 chocolate donuts, what is the ratio of chocolate to glazed donuts?

Back

7:13.

Front

What is the ratio of green marbles to red marbles if there are 3 green marbles and 1 red marble?

Back

3:1.

Front

What type of ratio represents the relationship of oranges to fruit?

Back

Part-to-Whole.

Front

If there are 4 birds and 6 snakes, what is the ratio of birds to total animals?

Back

4/10.

Front

What does a part-to-part ratio represent?

Back

A part-to-part ratio compares two parts of a whole to each other.

Front

What does a part-to-whole ratio represent?

Back

A part-to-whole ratio compares a part of a whole to the entire whole.

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.