7. + (–10) 8. + (–1) 9. + (–6) –12 –9 –8 10. 8 11. 7 12. 4 –1 – –5 – –8 – 13. 15 14. 10 15. –2 – –9 – 8 –6 – 16. 7 17. 5 18. 6 –11 – –3 – –20 – Rule: 5 (–12) 5 + 12 = 17 – 19. 15 (–3) 20. 18 (–19) 21. 24 (–8) – – – 22. 12 (–5) 23. 30 (–8) 24. 5 (–18) – – – For different signs, subtract the absolute values and keep the sign of the larger absolute value. 1. + 7 2. 10 + 7 3. + 2 –15 – –8 4. + 15 5. + 5 6. + 6 –18 –13 –20 7. + 6 8. + 4 9. + 6 –12 –14 –28 10. 3 6 11. 5 18 12. 6 8 – – –
7. –12 + (–10) 8. –9 + (–1) 9. –8 + (–6) 10. –1 – 8 11. –5 – 7 12. –8 – 4 13. –2 – 15 14. –9 – 10 15. –6 – 8 16. –11 – 7 17. –3 – 5 18. –20 – 6 Rule: 5 – (–12) 5 + 12 = 17 19. 15 – (–3) 20. 18 – (–19) 21. 24 – (–8) 22. 12 – (–5) 23. 30 – (–8) 24. 5 – (–18) For different signs, subtract the absolute values and keep the sign of the larger absolute value. 1. –15 + 7 2. – 10 + 7 3. –8 + 2 4. –18 + 15 5. –13 + 5 6. –20 + 6 7. –12 + 6 8. –14 + 4 9. –28 + 6 10. 3 – 6 11. 5 – 18 12. 6 – 8
Unit%201%20-%20Ch%202%20Integer%20Notes.docx