Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 538 · 40 questions

The fast method (Shift both): How much makes the second number round? 68 needs 2 to make 70. Add that amount to BOTH numbers. Take away the round number.

1. 1.182 − 87 =
2. 2.253 − 29 =
3. 3.390 − 56 =
4. 4.203 − 86 =
5. 5.153 − 99 =
6. 6.366 − 59 =
7. 7.159 − 56 =
8. 8.172 − 58 =
9. 9.186 − 89 =
10. 10.456 − 49 =
11. 11.572 − 87 =
12. 12.264 − 39 =
13. 13.82 − 66 =
14. 14.349 − 36 =
15. 15.194 − 67 =
16. 16.299 − 19 =
17. 17.560 − 27 =
18. 18.496 − 27 =
19. 19.362 − 19 =
20. 20.520 − 37 =
21. 21.523 − 36 =
22. 22.77 − 17 =
23. 23.382 − 28 =
24. 24.392 − 67 =
25. 25.227 − 18 =
26. 26.516 − 18 =
27. 27.370 − 18 =
28. 28.519 − 68 =
29. 29.373 − 19 =
30. 30.192 − 56 =
31. 31.202 − 76 =
32. 32.302 − 87 =
33. 33.340 − 17 =
34. 34.126 − 58 =
35. 35.148 − 99 =
36. 36.253 − 37 =
37. 37.180 − 56 =
38. 38.417 − 47 =
39. 39.471 − 86 =
40. 40.57 − 19 =

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths