Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 788 · 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. 1.105 − 39 =
2. 2.591 − 47 =
3. 3.275 − 86 =
4. 4.430 − 58 =
5. 5.104 − 26 =
6. 6.127 − 48 =
7. 7.156 − 76 =
8. 8.228 − 36 =
9. 9.327 − 57 =
10. 10.200 − 46 =
11. 11.245 − 97 =
12. 12.149 − 29 =
13. 13.132 − 89 =
14. 14.442 − 59 =
15. 15.576 − 37 =
16. 16.437 − 96 =
17. 17.468 − 56 =
18. 18.165 − 77 =
19. 19.247 − 57 =
20. 20.554 − 87 =
21. 21.416 − 66 =
22. 22.498 − 27 =
23. 23.68 − 56 =
24. 24.370 − 99 =
25. 25.219 − 96 =
26. 26.439 − 98 =
27. 27.204 − 57 =
28. 28.101 − 66 =
29. 29.459 − 78 =
30. 30.556 − 58 =
31. 31.323 − 18 =
32. 32.184 − 96 =
33. 33.353 − 27 =
34. 34.539 − 67 =
35. 35.106 − 98 =
36. 36.195 − 87 =
37. 37.258 − 56 =
38. 38.485 − 99 =
39. 39.483 − 58 =
40. 40.501 − 69 =

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