Semester Exam Review

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as one unit. For example, if you travel 60 miles in 1 hour, the unit rate is 60 miles per hour.

Front

How do you find the unit rate from a proportional relationship?

Back

To find the unit rate, divide the first quantity by the second quantity. For example, if you have 120 miles in 2 hours, the unit rate is 120 miles ÷ 2 hours = 60 miles/hour.

Front

Convert the fraction 1/2 into a decimal.

Back

0.5

Front

How do you calculate the unit rate of avocados per bag if you have 42 avocados in 7 bags?

Back

Divide the total number of avocados by the number of bags: 42 avocados ÷ 7 bags = 6 avocados/bag.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or compared. For example, the common denominator of ¾ and ⅓ is 12.

Front

What is the unit rate of 100 miles in 3 hours?

Back

To find the unit rate, divide 100 miles by 3 hours: 100 miles ÷ 3 hours = approximately 33.33 miles/hour.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 3/4 = 3 ÷ 4 = 0.75.

Front

What is the unit rate of 70 miles in 2 hours?

Back

To find the unit rate, divide 70 miles by 2 hours: 70 miles ÷ 2 hours = 35 miles/hour.

Front

What is the process to find a common denominator for ¾ and ⅓?

Back

List the multiples of each denominator (4 and 3) and find the smallest common multiple, which is 12.

Front

If you have 42 avocados in 7 bags, how many avocados are in each bag?

Back

Divide the total number of avocados by the number of bags: 42 avocados ÷ 7 bags = 6 avocados/bag.