UNIT 2 Review

Which algebraic expression represents
 "six less than a number"?

• 6/k
• k/6
• 6 - k
• k - 6

Answer explanation

Look up Video on (Translating Written Expression)

Which matches the expression below?

x −9

• Nine more than a number.

• The sum of a number and nine.

• A number decreased by nine.

Answer explanation

Mike is 6 years younger than Candace. What expression can be used to find Mike’s age?

• 6 + c

• 6 – c

• c – 6

• 6c

Answer explanation

Is Candace older or Younger?

Pat worked 4 hours on Monday and 3 hours on Friday.
If he earned the same hourly rate each day, which expression best represents the situation?

• 7x
• 4x + 3x
• 4 + 3x
• 3 + 4

Mike is 6 years younger than Iris. What expression can be used to find Mike’s age?

• 6 + a
• 6 - a
• a - 6
• 6a

7 less than 20.

• 7+20
• 20−7
• 7−20
• 20+7

M tripled is 18.

• 2×m = 18
• 2m = 18
• 3×m = 18
• 3÷ m = 18

Mitch has 35 more bouncy balls than Rudy. Rudy has b bouncy balls. Choose the expression that shows how many bouncy balls Mitch has.

• 35 - b

• b

• 35

• b + 35

You and four friends plan a surprise party. Each of you contributes the same amount of money m for food. What is the algebraic expression for the total amount of money contributed for food?

• 5m

• 4 + m

• 5 ÷ m

• 4m

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