SS - Number System Study Guide

Which of the following equal 0? Select all that apply.

• -3+3

• 5+(-6)

• 8+(-8)

• 10+10

Which of the following moves to the left on a number line? Select all that apply.

• Subtracting Positives

• Subtracting Negatives

• Adding Positives

• Adding Negatives

Subtracting means

• adding the reciprocal

• adding the inverse/opposite

• subtracting the inverse/opposite

• subtracting the reciprocal

Which operation is used to find distance?

• addition

• subtraction

• multiplication

• division

The temperature is 75 degrees. It drops 6 degrees and raises 15 degrees. What is the overall change in temperature?

• 84 degrees

• 9 degrees

• -9 degrees

• 21 degrees

Subtracting, using the number line if needed.

1/2 - 3

A monkey sits on a limb that is 25 ft. above the ground. He swings up 16 ft then jumps down 13 ft. How far off the ground is the monkey now?

• 54 ft
• 28 ft
• 31 ft
• 25 ft

Subtracting an integer is the same as adding the opposite

• True

• False

-4 + 8

• 12
• -12
• 4
• -4

What is the difference?

25 - (-9) =