PreAlgebra Midterm Review

Which number is not a natural number?

• √6 - √6

• √49

• |-13|

• π/π

Write 3/8 as a percent.

• 3.75%

• 37.5%

• 0.375%

• 375%

By the commutative property, 3(w + 9) is equivalent to which expression?

• 3w + 9

• 3w + 27

• (3 · 9) + w

• 3(9 + w)

Tags

CCSS.6.EE.A.3

Evaluate the expression: -17 - 14.

• 31

• 3

• -31

• -3

Tags

CCSS.7.NS.A.1C

Simplify the expression: |15| - |-9|.

• 6

• 24

• -6

• 10

Tags

CCSS.6.NS.C.7C

Convert 74% to a decimal.

• 0.074

• 74.00

• 0.74

• 0.47

In its opening weekend in theaters, a certain movie grossed 4.5 x 10^5 dollars on Saturday and 9.8 x 10^6 dollars on Sunday. Find the total sales for the weekend.

• 1.025 x 10^7 dollars

• 1.025 x 10^6 dollars

• 5.48 x 10^6 dollars

• 5.48 x 10^7 dollars

Tags

CCSS.8.EE.A.4

If x = 8 and y = 3, find the value of the expression below:

1/6 x^2y - 2y^4

• 8

• -56

• -130

• -194

Tags

CCSS.6.EE.A.2C

Evaluate: |-4 - 5|.

• -9

• 1

• -1

• 9

Tags

CCSS.7.NS.A.1C

By the commutative property, 3(w + 9) is equivalent to which expression?

• 3x + 9

• 3w + 27

• (3 · 9) + w

• 3(9 + w)

Tags

CCSS.6.EE.A.3