Integer Addition Review

Adding integers with the same sign:

• Subtract

• Add and keep the sign.

• Add and that is it.

• What is adding integers?

Adding integers with different signs

• Subtract and keep the sign of the BIGGER number!

• Subtract and keep the number of the smaller signs.

• Adding integers is hard!

• Subtract and do not change the signs!

• 19

• -3

• 3

• -19

-7 + -4

• -11
• -3
• 3
• 11

True or False: The sum of two positive numbers is negative

• True

• False

Lindsey owes her friend $13. She also earns $ 18. How much money does Lindsey have left?

• $5

• -$5

• -$31

• $31

The Cowboys lost 20 yards on the first play. On the second play, they gained 17 yards. Write an addition expression

• 20 + (-17)

• -20 + -17

• 20 + 17

• -20 + (-17)

What integer addition equation is being modeled?

• -5 + -3 = -2

• -5 + 2 = -3

• -5 + 3 = -2

• 5 + 3 = 8

Two numbers that opposites that are added together to have sum of zero are called

• absolute value

• terminating decimal

• additive inverse

• repeating decimal