Subtraction Across Zeros - Step by Step

1. Topic-Subtraction Class-II By Manoj Kumar

2. Subtracting Across Zeros 3 0 2 1 9 8

3. Step 1 – Borrow 1 from the 30 3 0 2 1 9 8

4. Step 2 – Cross out the 30 3 0 2 1 9 8

5. Step 3 – Write a 29 above the 30 3 0 2 1 9 8 2 9

6. Step 4 – Write a 1 in front of the 2 3 0 2 1 9 8 2 9 1

7. Step 5 – Subtract 8 from 12 3 0 2 1 9 8 2 9 1 4

8. Step 6 – Subtract 9 from 9 3 0 2 1 9 8 2 9 1 4 0

9. Step 7 – Subtract 1 from 2 3 0 2 1 9 8 2 9 1 4 0 1

10. We’re Finished 3 0 2 1 9 8 2 9 1 4 0 1

11. Second Example 8 0 0 2 3 7 6 5

12. Step 1 – Borrow 1 from 800 8 0 0 2 3 7 6 5

13. Step 2 – Cross out the 800 8 0 0 2 3 7 6 5

14. Step 3 – Write 799 above the 800 8 0 0 2 3 7 6 5 7 9 9

15. Step 4 – Write a 1 next to the 2 8 0 0 2 3 7 6 5 7 9 9 1

16. Step 5 – Subtract 5 from the 12 8 0 0 2 3 7 6 5 7 9 9 1 7

17. Step 6 – Subtract 6 from the 9 8 0 0 2 3 7 6 5 7 9 9 1 7 3

18. Step 7 – Subtract 6 from the 9 8 0 0 2 3 7 6 5 7 9 9 1 7 3 2

19. Step 7 – Subtract 3 from the 7 8 0 0 2 3 7 6 5 7 9 9 1 7 3 2 4

20. We’re Finished 8 0 0 2 3 7 6 5 7 9 9 1 7 3 2 4

21. It’s Your Turn 7 0 0 5 2 8 3 6 6 9 9 1 9 6 1 4

22. It’s Your Turn Again 9 0 0 4 7 9 5 6 8 9 9 1 8 4 0 1

23. Subtraction Tips

24. Never subtract the top number from the bottom number 4 6 6 6 1 3 2 7 9 Your answer will always be wrong.

25. Never borrow unless you need to 9 6 2 8 4 1 1 5 Your answer will always be wrong.

26. Practice your subtraction facts   18 – 9 =   18 – 7 =   16 – 8 =   14 – 8 =   12 – 9 =   11 – 3 =   15 – 7 =   9 – 3 =  18 – 5 =  18 – 3 =  16 – 7 =  14 – 6 =  12 – 4 =  11 – 7 =  15 – 6 =  9 – 5 = 9 11 8 6 3 8 8 6 13 15 9 8 8 4 9 4

27. Subtract the following:- (1) 369-256 = _______ (1) 369-256 = _______ (2) 587-498 = _______ (2) 587-498 = _______ (3) 7008-6542 = _______ (3) 7008-6542 = _______ (4) 639-254 = _______ (4) 639-254 = _______ (5) 6008-6007 =______ (5) 6008-6007 =______