Sort each key word into the correct expression.

Groups:

(a) Addition

,

(b) Subtractiong

,

(c) Multiplication

,

(d) Division

• plus

• times

• less than

• per

• sum

• half

• twice

• quotient

• decreased by

A pizza delivery driver earns $8 per hour. Write an expression to represent his pay for x number of hours.

Tracy has 16 oatmeal cookies. She splits them evenly among b bags. Choose the expression that shows how many cookies are in each bag.

• b – 16

• 16b

Select all that can represent the expression x-40.

• The account balance after a $40 deposit.

• A coupon saving you $40 on an X-box.

• Scoring 40 points fewer than the other team.

• Mr. Hobson predicts 40 more students attending the reward field trip next nine weeks.

Write your work on paper. No calculators.

• 135 pounds

• 157.5 pounds

• 270 pounds

• 281.25 pounds

Evaluate. Write your work on paper.

Mathematical Equivalence

OFF

A letter that represents a number is called a _________.

A number without a variable is called a ____________.

• coefficient
• variable
• constant
• like term

The number with a variable is called a_______________

• constant

• variable

• coefficient

• term

Identify the coefficient in the following expression:
-4y - 5