Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 849 · 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. 1.122 − 28 =
2. 2.319 − 37 =
3. 3.81 − 26 =
4. 4.270 − 26 =
5. 5.345 − 87 =
6. 6.316 − 66 =
7. 7.348 − 38 =
8. 8.580 − 16 =
9. 9.593 − 26 =
10. 10.128 − 29 =
11. 11.310 − 87 =
12. 12.162 − 78 =
13. 13.260 − 48 =
14. 14.153 − 66 =
15. 15.311 − 76 =
16. 16.233 − 87 =
17. 17.301 − 58 =
18. 18.182 − 27 =
19. 19.422 − 68 =
20. 20.535 − 37 =
21. 21.507 − 39 =
22. 22.130 − 16 =
23. 23.302 − 46 =
24. 24.78 − 68 =
25. 25.390 − 88 =
26. 26.244 − 47 =
27. 27.177 − 96 =
28. 28.162 − 79 =
29. 29.268 − 76 =
30. 30.184 − 36 =
31. 31.562 − 77 =
32. 32.567 − 59 =
33. 33.139 − 48 =
34. 34.297 − 76 =
35. 35.291 − 18 =
36. 36.192 − 38 =
37. 37.274 − 57 =
38. 38.466 − 28 =
39. 39.453 − 86 =
40. 40.280 − 78 =

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