Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 358 · 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. 1.117 − 67 =
2. 2.574 − 38 =
3. 3.355 − 57 =
4. 4.595 − 48 =
5. 5.75 − 39 =
6. 6.153 − 37 =
7. 7.455 − 19 =
8. 8.269 − 28 =
9. 9.172 − 97 =
10. 10.202 − 88 =
11. 11.229 − 28 =
12. 12.356 − 16 =
13. 13.495 − 57 =
14. 14.109 − 59 =
15. 15.128 − 76 =
16. 16.394 − 39 =
17. 17.258 − 77 =
18. 18.396 − 16 =
19. 19.562 − 96 =
20. 20.130 − 17 =
21. 21.476 − 46 =
22. 22.157 − 66 =
23. 23.299 − 16 =
24. 24.251 − 77 =
25. 25.589 − 86 =
26. 26.489 − 27 =
27. 27.272 − 19 =
28. 28.274 − 29 =
29. 29.198 − 98 =
30. 30.425 − 59 =
31. 31.503 − 26 =
32. 32.579 − 56 =
33. 33.484 − 46 =
34. 34.507 − 89 =
35. 35.187 − 89 =
36. 36.317 − 79 =
37. 37.520 − 99 =
38. 38.528 − 56 =
39. 39.305 − 47 =
40. 40.148 − 86 =

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