Ratios Intro Flashcard

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

A ratio can be written using the word 'to' (e.g., 3 to 2), a colon (e.g., 3:2), or as a fraction (e.g., 3/2).

Front

What is the ratio of apples to plums if there are 5 apples and 2 plums?

Back

5 to 2

Front

If there are 6 pears and 3 apples, what is the ratio of pears to apples?

Back

3:6

Front

What is the ratio of squares to circles if there are 3 squares and 6 circles?

Back

3:6

Front

What is the ratio of smiley faces to hearts if there are 4 smiley faces and 6 hearts?

Back

4:6

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

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio means that the numbers in the ratio have been reduced to their smallest whole number form.

Front

If the ratio of boys to girls in a class is 4:5, how many girls are there if there are 20 boys?

Back

25 girls (since 4 boys correspond to 5 girls, 20 boys correspond to 25 girls).

Front

What is the ratio of 10 to 5?

Back

2:1