Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 204 · 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. 1.187 − 87 =
2. 2.153 − 76 =
3. 3.571 − 89 =
4. 4.189 − 16 =
5. 5.285 − 37 =
6. 6.519 − 19 =
7. 7.531 − 56 =
8. 8.526 − 68 =
9. 9.350 − 69 =
10. 10.155 − 19 =
11. 11.234 − 36 =
12. 12.244 − 87 =
13. 13.65 − 57 =
14. 14.183 − 96 =
15. 15.247 − 96 =
16. 16.278 − 27 =
17. 17.86 − 77 =
18. 18.468 − 47 =
19. 19.487 − 47 =
20. 20.159 − 86 =
21. 21.81 − 19 =
22. 22.112 − 78 =
23. 23.507 − 16 =
24. 24.185 − 49 =
25. 25.113 − 68 =
26. 26.520 − 86 =
27. 27.152 − 18 =
28. 28.536 − 39 =
29. 29.584 − 49 =
30. 30.561 − 66 =
31. 31.370 − 79 =
32. 32.394 − 59 =
33. 33.438 − 46 =
34. 34.215 − 17 =
35. 35.252 − 97 =
36. 36.384 − 16 =
37. 37.123 − 28 =
38. 38.303 − 28 =
39. 39.335 − 77 =
40. 40.265 − 29 =

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