Grade 7 - Operations - Final Prep - GJ

2 + (-3) using a number line

• Move right 3 units
• Move left 3 units
• Stay at 0
• Move right 2 units

The result of (-7) + (+7)

• 14

• 0
• -7

• 7

How do you handle subtraction of integers?

• Change it to addition and flip the second integer’s sign
• Ignore the signs
• Add the absolute values
• Subtract smaller from larger

Using absolute values, what is 5 + (-8)?

• 13

• 3

• -3

• -13

What is the opposite of -4?

• -4

• 0
• 4

• 8

Calculate (-10) + (+5)

• -15

• 5

• -5

• 10

If the temperature changes from -6°F to 4°F, what is the total change?

• 10°F increase
• 2°F increase
• 12°F increase
• 8°F increase

When adding using counters, what represents a “zero pair”?

• (+2) and (+2)
• (-2) and (-2)
• (+3) and (-3)
• (+1) and (+2)

How would you represent -3 on a number line?

• Move 3 units to the right from 0
• Move 3 units to the left from 0
• Start at 0 and move up 3
• Stay at 0

What is the sum of (-12) + (-8)?

• -20

• 4

• 20

• -4