Ratios

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How can ratios be expressed?

Back

Ratios can be expressed in three ways: as a fraction (e.g., 2/5), with a colon (e.g., 2:5), or with the word 'to' (e.g., 2 to 5).

Front

What is the ratio of red marbles to yellow marbles if there are 2 red and 5 yellow marbles?

Back

The ratio of red to yellow marbles is 2 to 5.

Front

If there are 3 orange circles and 2 blue circles, what is the ratio of orange circles to blue circles?

Back

The ratio of orange circles to blue circles is 3:2.

Front

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

Back

The ratio of blue triangles to red squares is 4:3.

Front

If there are 3 green marbles and 2 red marbles, what is the ratio of green marbles to red marbles?

Back

The ratio of green marbles to red marbles is 3/2.

Front

Which of the following is NOT a way to write a ratio: 3:4, 3/4, or 3=4?

Back

3=4 is NOT a way to write a ratio.

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

How do you simplify the ratio 8:12?

Back

To simplify 8:12, divide both numbers by their greatest common divisor, which is 4. The simplified ratio is 2:3.

Front

What is the relationship between the parts of a ratio?

Back

The parts of a ratio represent the relative sizes of the quantities being compared.