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# Addition & Subtraction of Integers

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Working with integers is a major area of pain where students usually start mugging up algebra and that's the beginning of the end of logical thinking. This presentation aims at explaining graphically the addition and subtraction of integers.

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### Addition & Subtraction of Integers

1. 1. Addition & SubtractionAddition & Subtraction of Integers
2. 2. - 4 + 6
3. 3. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + +
4. 4. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + start here
5. 5. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + start here +
6. 6. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + start here + means GO RIGHT
7. 7. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + start here + means GO RIGHT 6 steps
8. 8. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 1 + means GO RIGHT 6 steps
9. 9. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 2 + means GO RIGHT 6 steps
10. 10. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 3 + means GO RIGHT 6 steps
11. 11. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 4 + means GO RIGHT 6 steps
12. 12. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 5 + means GO RIGHT 6 steps
13. 13. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 6 + means GO RIGHT 6 steps
14. 14. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 6 + means GO RIGHT 6 steps - 4 + 6 = 2
15. 15. - 4 + 6 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 6 + means GO RIGHT 6 steps - 4 + 6 = +2
16. 16. Another Problem
17. 17. - 2 - 3
18. 18. - 2 - 3 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + +
19. 19. - 2 - 3 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + start here
20. 20. - 2 - 3 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + start here –
21. 21. - 2 - 3 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + start here – means GO LEFT
22. 22. - 2 - 3 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + start here – means GO LEFT 3 steps
23. 23. - 2 - 3 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 1 means GO LEFT 3 steps –
24. 24. - 2 - 3 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 2 means GO LEFT 3 steps –
25. 25. - 2 - 3 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 3 means GO LEFT 3 steps –
26. 26. - 2 - 3 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 3 means GO LEFT 3 steps – - 2 - 3 = - 5
27. 27. Another Problem
28. 28. - 5 + 2
29. 29. - 5 + 2 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + +
30. 30. - 5 + 2 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + start here
31. 31. - 5 + 2 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + start here +
32. 32. - 5 + 2 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + start here + means GO RIGHT
33. 33. - 5 + 2 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + start here + means GO RIGHT 2 steps
34. 34. - 5 + 2 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 1 + means GO RIGHT 2 steps
35. 35. - 5 + 2 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 2 + means GO RIGHT 2 steps
36. 36. - 5 + 2 0 1 2 3 4 5 6- 1- 2- 3- 4- 5- 6 + + + + + + 2 + means GO RIGHT 2 steps - 5 + 2 = - 3