7th Grade Benchmark

Suppose the length of each side of a square is decreased by 4 feet. If the perimeter of the square is now 32 feet, what was the original length of each side?

• 48 ft

• 44 ft

• 16 ft

• 12 ft

1.   Which of following is the simplest form of the algebraic expression shown below?

 

– 11g + 5 + 6g – 2

• -6g + 4

• -6g + 5

• -5g + 5

• -5g + 3

Last summer there were 88 players at Coach Wilkes’ basketball camp. This year there are 125% of this number of players. How many players are there at camp this year?

• 70

• 98

• 106

• 110

In a recent survey, 88% of shoppers at a grocery store said they would be interested in a rewards program. If there were 450 shoppers surveyed, which proportion can be used to find the number who are interested in a rewards program?

Which of the following linear expressions cannot be factored?

• 15x + 22

• 12x - 10

• 8x - 2

• 7x + 21

Which of the following rational numbers is equivalent to a repeating decimal?

A home improvement store normally sells 20-foot extension ladders for $225. This week the ladders are discounted by 20%. What is the sale price of the ladders?

• $180

• $165

• $60

• $45

Billy Bob scored 83, 72, 87, & 75 on his first 4 tests. What does Billy Bob need to score on his 5^th test, to have an 83-test average?

• 95

• 98

• 4

• 48

Which expression is equivalent to the algebraic expression below?

 

  $3\left(-2x-1\right)$

• x + 2

• x - 2

• -6x + 3

• -6x - 3

• -3

• -63

• -5

• -65