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

A ratio can be written using a colon (:) or the word 'to'. For example, the ratio of 3 to 4 can be written as 3:4 or 3 to 4.

Front

What is the ratio of blue triangles to red squares if there are 4 blue triangles and 3 red squares?

Back

4:3

Front

What is the ratio of orange circles to blue circles if there are 3 orange circles and 2 blue circles?

Back

3:2

Front

What is the boy:girl ratio in a class with 15 boys and 20 girls?

Back

3:4

Front

Are the ratios 6:10 and 18:30 equivalent?

Back

Yes, they are equivalent because both simplify to 3:5.

Front

What does it mean for two ratios to be equivalent?

Back

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

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

How can you simplify the ratio 8:12?

Back

By dividing both numbers by their greatest common divisor, which is 4, the simplified ratio is 2:3.

Front

What is the ratio of 10 apples to 5 oranges?

Back

2:1