Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 792 · 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. 1.402 − 57 =
2. 2.442 − 48 =
3. 3.130 − 28 =
4. 4.214 − 98 =
5. 5.501 − 37 =
6. 6.548 − 96 =
7. 7.151 − 96 =
8. 8.235 − 89 =
9. 9.496 − 36 =
10. 10.358 − 17 =
11. 11.56 − 28 =
12. 12.380 − 69 =
13. 13.233 − 89 =
14. 14.506 − 99 =
15. 15.532 − 59 =
16. 16.173 − 16 =
17. 17.461 − 76 =
18. 18.111 − 67 =
19. 19.460 − 19 =
20. 20.162 − 49 =
21. 21.460 − 38 =
22. 22.195 − 69 =
23. 23.138 − 16 =
24. 24.442 − 97 =
25. 25.409 − 67 =
26. 26.194 − 17 =
27. 27.298 − 97 =
28. 28.108 − 19 =
29. 29.359 − 16 =
30. 30.326 − 77 =
31. 31.180 − 59 =
32. 32.293 − 68 =
33. 33.248 − 59 =
34. 34.188 − 36 =
35. 35.312 − 36 =
36. 36.510 − 46 =
37. 37.167 − 68 =
38. 38.152 − 69 =
39. 39.172 − 47 =
40. 40.451 − 97 =

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