Algebra 1 Evaluate Algebraic Expressions

There are r rows of chairs with 7 chairs in each row. Choose the expression that shows the number of chairs in total.

• 7r

• 7/r

• r-7

• r+7

Kenneth has g gumballs. Maggie has 29 fewer gumballs than Kenneth. Choose the expression that shows how many gumballs Maggie has.

• g+29

• g-29

• 29g

• g ÷ 29

Which expression matches: the product of nine and a number

• 9 + x

• 9x

• 9 ÷ x

• 9 - x

Which expression matches: twice a number, decreased by four.

• 2x - 4

• x - 4

• (x ÷ 2) – 4

• 2x + 4

Your mom wins $100 on a scratch-off ticket. She wants to split it between you and your sisters. How much will each of you receive if there are c children?

• 100 - c

• 100 + c

• 100 ÷ c

• 100c

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

• 16

• 16b

• 16 ÷ b

Find the coefficient in the algebraic expression.

• x

• 4

• 5

• 9

What is the coefficient in the following expression?
q + 4r − 18 + 2³ - 1
q = 3
r = 2

• 18

• 3

• 4

• 2

Evaluate the expression:
7 · (k ÷ 5)
k = 25

• 35

• 5

• 42

• k

If   x=5
what is
2x+2

• 7

• 12

• 4

• 10