1. Adding Integers 3-4 (pgs. 120-124) Indicator (s): N5  Explain the meaning and effect of adding and subtracting integers N6  Simplify numerical expressions involving integers and use integers to solve real-life problems. N8  Develop and analyze algorithms for computing with integers and demonstrate fluency in their use.

2. Use (or think of) the number line for adding integers Positives – Move Right Negatives - Move left

3. Examples Adding

4. There are rules and properties that define how to perform these basic operations. –To add integers having the same sign, add the absolute value of each number. Keep the same sign. (SAK) S ame- A dd- K eep –To add integers with different signs, subtract the smallest absolute value from the largest. Use the sign of the number with the largest absolute value and. (DSL) D ifferent- S ubtract- L arger

5. More Examples to try… -12 + 8 14 + (-8) -6 + (-4) -8 + (-3)

6. Simplifying expressions Use the same integer rules when combining like terms 1) -4 +2x + 6 2) -5x + -3x + 6 3) g + (-5) + (-12)

7. Assignment 3-4 Pg. 122-123 #10-42 eoe,43-51,58,62-71 ( make a number line to show 26)