Simplying 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 do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What does the ratio 4:5 represent?

Back

It represents that for every 4 parts of one quantity, there are 5 parts of another quantity.

Front

If the ratio of red to blue counters is 3:1, what fraction of the total is blue?

Back

1/4.

Front

How do you convert a ratio to a fraction?

Back

To convert a ratio to a fraction, write the first term as the numerator and the second term as the denominator.

Front

What is the total number of parts in the ratio 4:5?

Back

The total number of parts is 4 + 5 = 9.

Front

If there are 12 boys and 8 girls in a classroom, what is the simplified ratio of boys to girls?

Back

The simplified ratio is 3:2.

Front

What is the fraction of total counters that are blue if the ratio of green to blue is 4:5?

Back

5/9.

Front

In a ratio of 3:10, what does the 10 represent?

Back

The 10 represents the total parts in the ratio, which includes both quantities.

Front

If Patrick has 3 red toy cars out of 11 total toy cars, what is the ratio of red toy cars to total toy cars?

Back

3:11.