Review for test: simplify expressions/unknown/compare

Which of the expressions correctly represents this statement?

8 less than six times a number, y

• 8 – 6y

• (8 – 6)y

• 6y – 8

• (8 – y)6

What digit would make the comparison below true?

345.18 > 345._8

• 1

• 8

• 0

• 2

Marco has a brother who is twice the difference of his age minus 3 years. Marco is 14 years old. Which equation models this situation and can be used to determine b, the

age of Marco’s brother?

• (3 + 14) × 2 = b

• (14 × 2) – 3 = b

• (14 – 2) × 3 = b

• (14 – 3) × 2 = b

The grocery store was running a deal where customers got $7.50 off their total bill. Michael bought 5 boxes of cereal, which cost $2.25 each. He also bought 2 gallons of

milk for $2.75 each. The expression below can be used to represent Michael’s grocery store bill.

[(5 × 2.25) + (2 × 2.75)] – 7.50

How much money did Michael have to pay at the grocery store?

• $16.75

• $11.25

• $9.25

• $10.25

What is the correct solution to the comparison below?

132.4 __ 132.004

• =

• <

• >

• These numbers cannot be compared.

A football stadium holds 45,796 people. For one game, 12,490 seats were unavailable due to necessary repairs. Which of the numbers below is the best estimate for the

number of seats that were available for that game?

• 33,300

• 58,000

• 20,000

• 40,000

What is the solution to the expression below?

4 + 9 × (60 – 15) – 75 ÷ 5

• 102

• 394

• 39

• 138

The snack bar at a basketball game sold the items below.

• 12 hot dogs for $1.25 each

• 10 water bottles for $1.50 each

• 8 ice cream cones for $1.10 each

The snack bar had to pay $22.25 to rent the space. Which equation below can be used to determine, p, the profit made by the snack bar?

• (12 × $1.25) + (10 × $1.50) + (8 × $1.10) = p

• (12 × p) + (10 × $1.50) + (8 × $1.10) = p

• [(12 × $1.50) + (10 × $1.25) + (8 × $1.10)] – $22.25 = p

• [(12 × $1.25) + (10 × $1.50) + (8 × $1.10)] – $22.25 = p

Which of the numbers below does NOT make the comparison true?

285.204 > ________

• 285.090

• 285.7

• 285.109

• 285.1

What value of p makes the equation below true?

12 × 8 – (60 ÷ 5) + 9 – 2 = p

• 77

• 91

• 84

• 96