Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 807 · 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. 1.580 − 96 =
2. 2.419 − 17 =
3. 3.407 − 28 =
4. 4.173 − 97 =
5. 5.164 − 48 =
6. 6.226 − 46 =
7. 7.515 − 38 =
8. 8.291 − 16 =
9. 9.308 − 18 =
10. 10.214 − 76 =
11. 11.78 − 57 =
12. 12.459 − 86 =
13. 13.57 − 17 =
14. 14.296 − 56 =
15. 15.537 − 17 =
16. 16.292 − 87 =
17. 17.487 − 29 =
18. 18.199 − 16 =
19. 19.585 − 57 =
20. 20.486 − 76 =
21. 21.163 − 19 =
22. 22.395 − 79 =
23. 23.349 − 68 =
24. 24.276 − 18 =
25. 25.80 − 29 =
26. 26.304 − 66 =
27. 27.412 − 37 =
28. 28.453 − 18 =
29. 29.586 − 59 =
30. 30.229 − 26 =
31. 31.510 − 78 =
32. 32.337 − 26 =
33. 33.434 − 27 =
34. 34.277 − 28 =
35. 35.68 − 59 =
36. 36.142 − 59 =
37. 37.328 − 16 =
38. 38.246 − 89 =
39. 39.78 − 28 =
40. 40.350 − 89 =

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