Ratios, Rates, Complex Fractions

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF).

Front

Write the ratio of 6 apples to 4 oranges in simplest form.

Back

3 to 2.

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two quantities with different units, such as miles per hour.

Front

If a car travels 150 miles in 3 hours, what is the rate of speed?

Back

50 miles per hour.

Front

What is a complex fraction?

Back

A complex fraction is a fraction where the numerator, the denominator, or both contain fractions.

Front

Identify a complex fraction: 1/2 ÷ 3/4 or 2/3?

Back

1/2 ÷ 3/4 is a complex fraction.

Front

What does it mean to find the total number of items in a ratio?

Back

It means to add the parts of the ratio together to find the whole quantity.

Front

If the ratio of boys to girls is 4:5, how many total students are there if there are 20 boys?

Back

45 students (20 boys + 25 girls).

Front

What is the simplest form of the ratio 12:16?

Back

3:4.