Adding and Subtracting Integers

The record high temperature for Massachusetts is 104 degrees Fahrenheit. The record low is -18 degrees Fahrenheit. What is the difference between high and low?

• 86

• 122

• 18

• 104

You are 5 dollars in debt. You borrow 12 dollars more. Which expressions represents the amount of money you owe?

• 5 - 12

• 5 - (-12)

• -5 - 12

• -5 + 12

Which situation represents opposite numbers that, when combined, equal zero?

• Going up 3 floors, then going up 3 more floors

• Traveling 8 miles east and then 8 miles south

• Swimming 10 feet below sea level then swimming 10 feet up.

• Borrow $12 then borrow $12 more

Which description matches the number line?

• The sum of 8 and its opposite

• The sum of 0 and its opposite

• The sum of 8 and 8

• The sum of 0 and 8

Which expressions does the number line match. CHOOSE ALL THAT APPLY.

• 8 + 2

• 8 - 2

• -8 - 2

• 8 + (-2)

What is the distance between -4 and 5?

• 1 unit

• 9 units

• -9 units

• -1 units

A scuba diver dove down 25 ft below sea level, then rose 14 feet. What expression could represent the scuba diver's elevation?

• -25 + 14

• 25 + (-14)

• -25 - 14

• 25 -14

What is the distance from -2 to 8?

• 6 units

• -8 units

• -6 units

• 10 units

Sarah jumps from a diving board. After she launches off the diving board she is 11 feet in the air. She hits the water and descends 7 feet below sea level. Which expression matches the difference between Sarah's elevation before and after she dives into the water.

• 11 + 7

• -11 + 7

• 11 + (-7)

• 11 - (-7)

The temperature in Media, PA dropped 15 ºF over night. It is now -2 ºF. Which expression represents the initial temperature in Media, PA? CHOOSE ALL THAT APPLY.

• -15 + (-2)

• 15 + (-2)

• 15 - 2

• 15 + 2