Unit 10 Review

The given expression can be used to calculate the number of points needed to set a new record in a video game where 200 points is the top score. 200 – (15 + 20 – 3(5) + 8(4) + 10) How many points are needed to set the new record?

• 62

• 150

• 138

• -49

Mrs. Arnold wrote this expression on the board. (10)(-5) + (7 ·8) What is the value of her expression?

• -9

• -61

• 20

• 6

Leon wrote an expression that is equivalent to (30 + 6) ÷ 12. Which expression could be the one Leon wrote?

• 36 ÷ 3 · 4

• (3 · 3 · 4) ÷ 4 · 3

• 5 · 6 + 2 · 3 ÷ 3 · 2 · 2

• (3 · 3 · 2 · 2) ÷ (3 · 2 · 2)

Shea wrote the expression 5(y + 2) + 4 to show the amount of money five friends paid for snacks at a baseball game. Which expression is equivalent to the one Shea wrote?

• 5 + y + 5 + 2 + 4

• 5 · y + 5 · 2 + 4

• 5 · y · 5 · 2 + 4

• 5 · y · 4 + 5 · 2 · 4

#5 Evaluate the expression below.

What is the value of the expression below?

• 36

• 51

• 99

• 11

Select one equation.

• 10b+8

• Four times the quotient of ten and seven

• 3+5+7x8-50

• Negative three decreased by six is negative nine

Mr. Gonzales showed students part of the prime factorization of 90. One factor is missing. What number completes this prime factorization?

What is the value of the expression shown?

Which two expressions are equivalent?

• 9(6 + x) and 9 · 6 + 9 · x

• x + (8 · 9) and (x + 8) · 9

• 8 · 6 ÷ x and 8 · x ÷ 6

• 6 · x + 3 and 6 · (x + 3)