Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 356 · 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. 1.110 − 26 =
2. 2.78 − 19 =
3. 3.63 − 27 =
4. 4.581 − 27 =
5. 5.114 − 17 =
6. 6.239 − 36 =
7. 7.562 − 67 =
8. 8.584 − 88 =
9. 9.151 − 68 =
10. 10.391 − 58 =
11. 11.115 − 99 =
12. 12.407 − 16 =
13. 13.266 − 36 =
14. 14.282 − 19 =
15. 15.586 − 57 =
16. 16.323 − 46 =
17. 17.335 − 37 =
18. 18.474 − 99 =
19. 19.569 − 18 =
20. 20.481 − 29 =
21. 21.200 − 88 =
22. 22.181 − 58 =
23. 23.292 − 69 =
24. 24.271 − 18 =
25. 25.390 − 18 =
26. 26.428 − 57 =
27. 27.544 − 17 =
28. 28.110 − 29 =
29. 29.486 − 66 =
30. 30.72 − 18 =
31. 31.440 − 26 =
32. 32.240 − 86 =
33. 33.436 − 16 =
34. 34.174 − 67 =
35. 35.165 − 36 =
36. 36.516 − 68 =
37. 37.165 − 18 =
38. 38.370 − 48 =
39. 39.170 − 76 =
40. 40.514 − 28 =

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