Fall Semester Exam Review

Front

Hunter buys 36 baseball cards for $18. How many baseball cards can Troy buy if he has $9?

Back

18 baseball cards

Front

What is the unit rate in this proportional relationship? 60 miles/1 hour, 120 miles/2 hours, 1 mile/1 hour

Back

60 miles/1 hour

Front

Find the unit rate (how many avocados per bag): 42 avocados in 7 bags

Back

6 avocados/bag

Front

What is the sum of -5 and 8?

Back

3

Front

Evaluate the expression: 3 + (-7)

Back

-4

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It is expressed as a quantity per one unit of another quantity.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity by the number of units.

Front

What is the formula for finding the sum of two numbers?

Back

The sum of two numbers is found by adding them together: Sum = Number1 + Number2.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by performing the operations indicated.

Front

What is the difference between a positive and negative number?

Back

A positive number is greater than zero, while a negative number is less than zero.