Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 155 · 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. 1.576 − 78 =
2. 2.236 − 26 =
3. 3.171 − 76 =
4. 4.152 − 77 =
5. 5.273 − 17 =
6. 6.392 − 99 =
7. 7.244 − 29 =
8. 8.358 − 87 =
9. 9.121 − 76 =
10. 10.546 − 89 =
11. 11.147 − 88 =
12. 12.312 − 47 =
13. 13.537 − 38 =
14. 14.373 − 97 =
15. 15.132 − 99 =
16. 16.583 − 86 =
17. 17.511 − 66 =
18. 18.379 − 29 =
19. 19.130 − 89 =
20. 20.250 − 76 =
21. 21.551 − 37 =
22. 22.113 − 39 =
23. 23.302 − 46 =
24. 24.396 − 26 =
25. 25.487 − 19 =
26. 26.420 − 78 =
27. 27.250 − 49 =
28. 28.193 − 58 =
29. 29.474 − 96 =
30. 30.205 − 38 =
31. 31.476 − 26 =
32. 32.301 − 49 =
33. 33.496 − 86 =
34. 34.111 − 99 =
35. 35.211 − 37 =
36. 36.316 − 99 =
37. 37.170 − 86 =
38. 38.144 − 17 =
39. 39.511 − 67 =
40. 40.303 − 68 =

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