2. 2 DIGIT SUBTRACTION (with regrouping)

3. In this lesson you will learn to subtract 2-digit numbers... Look at the following subtraction:

4. 4 5 - 3 7 ------- 4 5 - 3 7 -------

6. 3 15 4 5 - 3 7 ------- 3 15 4 5 - 3 7 -------

7. 8

8. 0 8

9. Very good, now try to do this other subtraction:

10. 5 1 - 3 6 ------- 5 1 - 3 6 -------

12. 4 11 5 1 - 3 6 ------- 4 11 5 1 - 3 6 -------

13. 5

14. 1 5 1 5

15. Now, let’s look at another example: Now, let’s look at another example:

16. 6 5 - 2 8 ------- 6 5 - 2 8 -------

18. 5 15 6 5 - 2 8 ------- 5 15 6 5 - 2 8 -------

19. 7

20. 3 7 3 7

21. Now you try it: Now you try it:

22. 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------

24. 2 10 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------ 2 10 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------

25. 5

26. 1 5 1 5

27. 2 10 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------ 2 10 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------ 1 5 1 5

28. 2 10 4 18 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------ 2 10 4 18 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------ 1 5 1 5

29. 2 10 4 18 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------ 2 10 4 18 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------ 1 5 9 1 5 9

30. 2 10 4 18 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------ 2 10 4 18 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------ 1 5 9 1 5 9

31. 2 10 4 18 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------ 2 10 4 18 1. 3 0 2. 5 8 - 1 5 - 2 9 ----- ------ 1 5 2 9 1 5 2 9

32. 3. 4 1 4. 7 5 - 1 3 - 3 8 ----- ------

34. 3 11 3. 4 1 4. 7 5 - 1 3 - 3 8 ----- ------ 3 11 3. 4 1 4. 7 5 - 1 3 - 3 8 ----- ------

35. 3 11 3. 4 1 4. 7 5 - 1 3 - 3 8 ------ ------- 3 11 3. 4 1 4. 7 5 - 1 3 - 3 8 ------ ------- 8

36. 2 8 2 8

37. 3 11 3. 4 1 4. 7 5 - 1 3 - 3 8 ------ ------- 3 11 3. 4 1 4. 7 5 - 1 3 - 3 8 ------ ------- 2 8 2 8

38. 3 11 6 15 3. 4 1 4. 7 5 - 1 3 - 3 8 ------ ------- 3 11 6 15 3. 4 1 4. 7 5 - 1 3 - 3 8 ------ ------- 2 8 2 8

39. 3 11 6 15 3. 4 1 4. 7 5 - 1 3 - 3 8 ------ ------- 3 11 6 15 3. 4 1 4. 7 5 - 1 3 - 3 8 ------ ------- 2 8 7 2 8 7

40. 3 11 6 15 3. 4 1 4. 7 5 - 1 3 - 3 8 ------ ------- 3 11 6 15 3. 4 1 4. 7 5 - 1 3 - 3 8 ------ ------- 2 8 7 2 8 7

41. 3 11 6 15 3. 4 1 4. 7 5 - 1 3 - 3 8 ------ ------- 3 11 6 15 3. 4 1 4. 7 5 - 1 3 - 3 8 ------ ------- 2 8 3 7 2 8 3 7

42. THE END