Test Review-Integer Operations & Order of Operations

In Minnesota, at sunrise, the temperature is 4 degrees below zero. By noon, the temperature rises 18 degrees. Which shows how to find the temperature in degrees at midnight?

• -4 - 18

• 4 + 18

• -4 + 18

• 4 - 18

Which expression is equivalent to 4 x 4 x 4 x 2 x 2 x 2?

• 4³ x 2³

• 12 x 6

• 18⁶

• 3⁴ x 3²

What is the first step when simplifying the following expression?

5 - (3 + 2) + 7²

• 7²

• 5-3

• 5 x 7

• 3 + 2

Simplify

6 + (7 - 2) x 3 + 2

What equation is shown by the arrows?

• 4 x 2= 8

• -4 x 2= 8

• 2 x -4 = -8

• 2 x 4=-8

Look at the counters. If red counters are negative and yellow counters are positive, write an equation that would represent what is shown. Explain your thinking.

Which of the following expressions are equal to -8?

• -18 + 10

• -9 + -9

• 10 - 2

• -2 - 6

What is the absolute value of (10 - 20)? How do you know?

• -10 because the answer is - 10

• 10 because even though the answer is -10, absolute value is always positive and -10 is 10 away from 0.

• -30 because 10 and 20 is 30 away from zero

• 10

Simplify

| 8 - (5 + -2) |

• 5

• 1

• -1

• -5

Simplify
 $\frac{6\ \cdot\ 8}{2}$  

• 12

• 24

• 7

• -48