Unit 1 Practice Test

A particle moves along a number line according to the following instructions.

- Start at origin.

- Move left 4 units

- Move right 8 units

- Move right 6 units

- Move left 13 units

How far is the particle from the initial starting point?

• 2

• 3

• 8

• 1

Your checking account has a balance of $250.00. You buy a new TV that costs $435.53. How much is in your bank account now?

• $185.53

• $685.53

• -$214.47

• -$185.53

• -$685.53

In Fairbanks, Alaska, the average temperature in January is -13 degrees. In July, the average temperature is 54 degrees. Find the difference in the average temperatures.

• 67 degrees

• 41 degrees

This picture represents which of the following sums with counting chips?

• (6) + (-3)

• (-6) + (3)

• (6) + (3)

• (-6) + (-3)

• (-6) - (3)

Evaluate the following expression: 15 + (-18)

• -3

• -33

• 3

• 33

• -2

Evaluate the following expression: 14 + (-20)

• -6

• -34

• 6

• 34

• 9

• -9

• -60

• 60

Evaluate the following expression: -100 - 27

• 73

• -73

• -127

• 127

Evaluate the following expression: 4.45 - (-6.329) =

• 1.879

• -1.879

• 10.779

• -10.779