Order of Operations with Integers

What are the rules for adding integers with different signs?

• Write S for same, and then add the numbers and keep the sign. 
• Write D for different; circle the number there is more of; subtract and keep the sign of the number you circled.

Solve:
80 + (-8) =

• 88
• -88
• 72
• -72

What are the steps for subtracting integers?

• Add a line, change the sign OR Keep, Change, Change; then follow addition rules.
• Subtract the numbers and keep the sign of the number there is more of.

Solve:
-15  -  3 =

• 12
• -12
• -18
• 18

Solve:
8  -  (-4) =

• 12
• -12
• 4
• -4

When multiplying or dividing integers with different signs your result will be ______________.

• Positive
• Negative
• Depends which number is bigger.

Solve:
-7(6) =

• -13
• -48
• 42
• -42

Solve:
-39 ÷ (-3) = 

• 42
• -42
• 13
• -13

What does 6³ mean?

• 6 · 6 · 6
• 6 · 3
• 3 · 3 · 3 · 3 · 3 · 3

What is the value of 3⁴?

• 12
• 27
• 81