Additive Inverses

Which one is an example of an additive inverse?

• Climbing up 10 stairs and going down 4 stairs.

• Going up in an elevator 10 flights and going down 11 flights.

• Going up in a plane 10,000 feet and then coming down 10,000 feet and landing at an elevation of 0.

What would make this situation an additive inverse? You have 9 blueberry pies. Check all that apply.

• You buy 9 more blueberry pies.

• You give away 9 blueberry pies.

• You eat all 9 blueberry pies.

• You throw away 9 blueberry pies.

What would make this situation an additive inverse? You earned $25.50? Check all that apply.

• You go back to work to earn more money.

• You spend the $25.50.

• You give $25.50 away.

• You put your $25.50 in the bank to save for later.

10+?=0

• -10

• 10

• -8

• 1.5

An Additive Inverse of a number is...

• its opposite value.

• adding zero.

• adding a place value.

• the opposite of multiplication.

What is the additive inverse of 87?

• -87

• 87

Two numbers whose sum equals zero

• additive inverses

• absolute value

• integer

• rational number

Define: additive inverse

• numbers less than zero

• the result of addition

• the combination of a positive and negative number to form a sum

The additive inverse of -5.

• -5

• -1

• 15

• 5

Using additive inverse (Keep Change Change), write this problem as an addition problem.

-22 - (-7)

• -22 + 7

• -22 + (-7)

• 22 + 7

• 22 + (-7)