2. Same Signs
1. Add the numbers
2. Take the common sign
• Ex. 1: 2 + 4 = 6
• Ex. 2: -2 + -4 = -6
Different Signs
1. Subtract the numbers (absolute value)
2. Keep sign of larger number (absolute value)
• Ex. 1: 2 + -4 = -2
• Ex. 2: -2 + 4 = 2
3. Subtracting Integers
1. Keep Change Opposite (or Keep Change
Change)
2. Follow “Adding Integers” Rules
Same Signs
1. Add the numbers
2. Take the common sign
Different Signs
1. Subtract the numbers (absolute value)
2. Keep sign of larger number (absolute value)
4. Multiplying & Dividing Integers
Same Signs = Positive
• Ex. 1: 2 X 4 = 8
• Ex. 2: -2 X -4 = 8
Different Signs = Negative
• Ex. 1: 2 X -4 = -8
• Ex. 2: -2 X 4 = -8
