Y5 Subtraction Complimentary Method (Counting Up)
- 1. Subtracting
- 2. Explanation of subtraction by adding on. Click to view each step & follow the method through. 502 - 198 198 +2 200 500 +300 502 +2 = 304 502 - 198 2 (to 200) 300 (to 500) (to 502) 2 304
- 3. Subtraction by adding on. 613 - 279 279 +1 280 300 +20 600 +300 = 334 613 - 279 1 (to 280) 20 (to 300) (to 600) 300 334 +13 613 13 (to 613)
- 4. Subtraction by adding on. 846 - 458 458 +42 500 800 +300 846 +46 = 388 846 - 458 42 (to 500) 300 (to 800) (to 846) 46 388
- 5. How to set out your subtraction by adding on vertically 6008 - 2997 3 (3000) 3000 (6000) (6008) 8 3011
- 6. How to set out your subtraction by adding on vertically 5003 - 1989 11 (2000) 3000 (5000) (6008) 3 3014
- 7. 5 2 3 9 - 1 5 6 7 3 (1570) 3 0 (1600) (2000) 4 0 0 3 2 3 9 (5239) 3 1 5 6 3
- 9. 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Decimals
- 10. Subtraction by adding on. 24.3 - 7.9 7.9 +0.1 8.0 10.0 +2.0 20.0 +10.0 = 16.4 24.3 - 7.9 0.1 (to 8.0) 2.0 (to 10.0) (to 20.0) 10.0 .4 +4.3 24.3 4.3 (to 24.3) 6 1
- 11. Subtraction by adding on. 36.8 - 8.7 8.7 +0.3 9.0 10.0 +1.0 30.0 +20.0 = 28.1 36.8 - 8.7 0.3 (to 9.0) 1.0 (to 10.0) (to 30.0) 20.0 +6.8 36.8 6.8 (to 36.8) .1 1 8 2
- 12. 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Decimals
- 13. Subtraction by adding on. 7.85 - 3.49 3.49 +0.51 4.0 7.0 +3.0 7.85 +0.85 = 4.36 7.85 - 3.49 0.51 (to 4.00) 3.00 (to 7.00) (to 7.85) 0.85 6 4 .3 1
- 14. Subtraction by adding on. 9.63 - 5.28 5.28 +0.72 6.0 9.0 +3.0 9.63 +0.63 = 4.35 9.63 - 5.28 0.72 (to 6.00) 3.00 (to 9.00) (to 9.63) 0.63 5 4 .3 1