Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 300 · 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. 1.123 − 39 =
2. 2.127 − 88 =
3. 3.76 − 67 =
4. 4.560 − 38 =
5. 5.424 − 96 =
6. 6.401 − 19 =
7. 7.141 − 26 =
8. 8.126 − 16 =
9. 9.341 − 16 =
10. 10.520 − 89 =
11. 11.457 − 17 =
12. 12.111 − 96 =
13. 13.267 − 18 =
14. 14.163 − 68 =
15. 15.448 − 56 =
16. 16.408 − 67 =
17. 17.201 − 36 =
18. 18.274 − 28 =
19. 19.167 − 79 =
20. 20.352 − 18 =
21. 21.514 − 76 =
22. 22.388 − 78 =
23. 23.169 − 28 =
24. 24.448 − 57 =
25. 25.251 − 17 =
26. 26.520 − 27 =
27. 27.168 − 79 =
28. 28.70 − 46 =
29. 29.287 − 59 =
30. 30.179 − 98 =
31. 31.590 − 29 =
32. 32.411 − 46 =
33. 33.553 − 39 =
34. 34.190 − 66 =
35. 35.316 − 66 =
36. 36.168 − 98 =
37. 37.337 − 16 =
38. 38.339 − 67 =
39. 39.295 − 17 =
40. 40.563 − 97 =

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