1. Chapter 1.1 Additive Inverse Absolute Value Adding Real Numbers

2. 3. Find the additive inverse (the opposite). b. - 1.92 1.92 c. A loss of 12 yards a gain of 12 yards a. The additive inverse of 2 5 -2 5

3. Absolute Value – the distance a number is from zero on the number line. a.| - 7.34| = 7.34 b.|  | =  0 4.Find the absolute value. c. | | = 2 0

4. Adding Numbers with the Same Sign

5. Adding Two Real Numbers Same sign 16 2. - 3 + ( - 5) -8-8 1.7 + 9 + 1.Add their absolute values. (7 + 9) - (3 + 5) 2. Keep the common sign.

6. Adding Numbers With The Same Sign 5a. 37 + 19 56 5b. - 23 + ( - 35) - 58 (23 + 35) -

7. 6. + ( ) -3 5 7 -4 + -21 (-20) 35 -41 -(21 + 20) 35 7 7 5 5 LCD =35 Adding Numbers With The Same Sign

8. 7. - 12.7 + ( - 9.38) - Adding Numbers With The Same Sign 12.7 + 9.38 22.08 1 1 (12.7 + 9.38) -

9. 8. - 7 + ( - 11) + ( - 33) - (7 + 11 + 33) - 51 Adding Numbers With The Same Sign

10. Adding Numbers with Different Signs

11. -2-2 2. - 3 + 5 2 1.7 + ( - 9) - 1.Find their absolute values. (9 – 7) + (5 – 3) Adding Two Real Numbers Different signs 2.Subtract the smaller value from the larger value. 3.Keep the sign from the number with the larger value.

12. 9. - 9 + 15 6 (15 – 9) + Adding Numbers With Different Signs

13. 10. + + ( ) 12 7 -5 12 -16 12 - -9 4 -3 -11 Adding Numbers With Different Signs + 7 = (16 – 7)

14. 11. - 14.3 (14.3 – 3.5) - Adding Numbers With Different Signs - 6.3 + ( - 8)+ 3.5 + 3.5 - 14.3 – 3.5 0.8 1 3 1

15. 12. - 15 (6 + 7 + 2) - (15 – 13) - -2-2 + (5 + 5 + 3) + 13 Adding Numbers With Different Signs -6-6 + 5 + ( - 7) + ( - 2) + 5 + 3

16. 13a. - 2.9 + ( - 5.7) (2.9 + 5.7) - Adding Numbers - 2.9 + 5.7 8.6 1

17. 13b. + ( ) 2 3 4 12 8 (8 – 3) 5 4 4 3 3 + (-3) Adding Numbers LCD =12

18. Chapter 1.1 Additive Inverse Absolute Value Adding Real Numbers