Review: Ratios and Rates (Lessons 1-5)

Front

What is a ratio?

Back

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

Front

What is a rate?

Back

A rate is a ratio that compares quantities with different units.

Front

How do you simplify a ratio?

Back

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

Front

If Peter has 18 oranges, 27 pears, and 12 bananas, how many pears will be in the greatest number of fruit baskets?

Back

9

Front

What is the missing number in the ratio table if the ratio is 3:4 and the first number is 12?

Back

16

Front

What is the missing number in the ratio table if the ratio is 5:7 and the first number is 25?

Back

35

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Front

How do you find a unit rate?

Back

To find a unit rate, divide the quantity by the number of units to find the amount per one unit.

Front

What is an example of a rate?

Back

An example of a rate is 60 miles per hour, which compares distance to time.

Front

What is the missing number in the ratio table if the ratio is 2:3 and the first number is 10?

Back

15