Topic 3 Review - 6th

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

A cell phone company charges $40 per month plus a $35 activation fee. What is the expression for the total cost for m months?

• 40 - 35m

• 40m - 35

• 40m + 35

• 40 + 35

X+X+X+X+X

• X + 5 
• 5X
• X+X+X+X+X+5
• X to the 5th power 

Which expression matches: the product of nine and a number

• 9 + x

• 9x

• 9 ÷ x

• 9 - x

2r + 2 + 5r - 2 + r 

• 8r 
• 8r - 4 
• 12r 
• 7r + 4 + r 

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

Identify the variables in the expression
3x +  9

• x
• y
• 9
• 3x

The number before a variable is the _____.

• term
• constant
• coefficient
• variable

12 ÷ 3 x 4
What do you do first?

• 3x4
• 12÷4
• 12÷3

How do you write this in exponent form?
4 * 4 * 4 * 4 * 4 * 4 * 4 * 4

• 4⁷
• 65,536
• 4⁸
• 7⁴