Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 811 · 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. 1.277 − 59 =
2. 2.347 − 37 =
3. 3.510 − 78 =
4. 4.106 − 16 =
5. 5.151 − 87 =
6. 6.149 − 67 =
7. 7.284 − 37 =
8. 8.437 − 28 =
9. 9.150 − 28 =
10. 10.458 − 56 =
11. 11.173 − 68 =
12. 12.557 − 76 =
13. 13.279 − 79 =
14. 14.364 − 38 =
15. 15.296 − 18 =
16. 16.444 − 77 =
17. 17.388 − 16 =
18. 18.285 − 77 =
19. 19.387 − 86 =
20. 20.599 − 48 =
21. 21.139 − 68 =
22. 22.456 − 69 =
23. 23.575 − 17 =
24. 24.309 − 79 =
25. 25.420 − 19 =
26. 26.272 − 98 =
27. 27.277 − 49 =
28. 28.221 − 28 =
29. 29.258 − 39 =
30. 30.298 − 29 =
31. 31.297 − 89 =
32. 32.127 − 37 =
33. 33.551 − 67 =
34. 34.166 − 99 =
35. 35.116 − 36 =
36. 36.385 − 88 =
37. 37.539 − 79 =
38. 38.347 − 17 =
39. 39.185 − 37 =
40. 40.392 − 78 =

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