Additive Inverse and Zero Pairs

What number should you add to 8 to get a total of 0?

• 8

• 0

• -8

• 1

The 'Additive Inverse Property' means that when you add a number to its opposite, the answer is always:

• The number itself

• Its opposite

• 0

• 1

If you are at -5 on a number line, what number do you need to add to get back to 0?

• -5

• 5

• 0

• 10

Which of these pairs of numbers will add up to 0?

• 3 and 3

• -2 and 2

• 4 and -5

• -1 and -1