Adding and Subtracting Positive Integers Expressions

When adding integers with the same sign you ________________.

• Subtract and keep the sign of the larger number.

• Add and keep the sign.

A positive PLUS a positive will give you what on your final answer.

• Positive

• Negative

83 - (-42)

• positive

• negative

In addition if the signs are different

• add and take sign of number with greater absolute value

• subtract and take sign of number with greater absolute value

• the sum is always positive

• the sum is always negative

Evaluate the following:

(-5) + 25 + (-35) + 15 + 10 = ?

• -20

• 20

• -10

• 10

Evaluate the following:

(-45) + 60 - 15 = ?

• 30

• -30

• 0

• -90

When subtracting integers you must________________________.

• Subtract like normal.

• Keep the first sign, keep it a subtracting problem, and find the reciprocal of the second integer.

• Keep the first sign, keep it a subtracting problem, and find the opposite of the second integer.

• Keep the first sign, change it to addition, find the opposite of the second integer, use your adding rules.

Which expressions are the SAME as
24 + (-6)             ?

• 24 - 6

• 24 + 6

• -24 - 6

• -6 + 24

Rewrite the expression

7 - (-6)

• 7 - 6

• 7 + (-6)

• 7 + 6

• -7 + (-6)

Which addition equation goes with this image?

• 3 + (-3) = 0

• -6 + (+3) = -3

• 6 + (+3) = 9

• 6 + (-3) = 3