Adding Integers

True or False.

A sum is the result of adding two or more numbers.

• True

• False

-8 + 2

• 10

• -10

• 6

• -6

6 + -4

-5 - (-4)= ____

• -1

• 9

• 1

• -9

(-23) + 11 =

• -12

• 12

• -34

• 34

(-20) + 41 =

• 21

• -21

• 51

• -51

3 + (-63) =

• -60

• 60

• 66

• -66

-3 + 4

• 7

• -7

• 1

• -1

A balloon rises 340 feet into the air. Then it descends 130 feet. What is the sum of the new elevation of the air balloon?

• 210 feet

• -210 feet

• 470 feet

• -470 feet

When adding integers with the same sign you ________________.

• Subtract and keep the sign of the larger number.

• Add and keep the sign.