Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 257 · 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. 1.568 − 28 =
2. 2.297 − 57 =
3. 3.141 − 29 =
4. 4.468 − 98 =
5. 5.311 − 49 =
6. 6.387 − 17 =
7. 7.206 − 86 =
8. 8.337 − 26 =
9. 9.282 − 76 =
10. 10.284 − 56 =
11. 11.383 − 46 =
12. 12.71 − 27 =
13. 13.489 − 28 =
14. 14.500 − 19 =
15. 15.323 − 16 =
16. 16.579 − 98 =
17. 17.65 − 27 =
18. 18.413 − 89 =
19. 19.209 − 66 =
20. 20.570 − 77 =
21. 21.120 − 79 =
22. 22.105 − 46 =
23. 23.80 − 16 =
24. 24.235 − 29 =
25. 25.136 − 76 =
26. 26.303 − 87 =
27. 27.443 − 67 =
28. 28.369 − 58 =
29. 29.431 − 89 =
30. 30.190 − 68 =
31. 31.470 − 97 =
32. 32.399 − 18 =
33. 33.225 − 19 =
34. 34.182 − 76 =
35. 35.150 − 26 =
36. 36.327 − 16 =
37. 37.151 − 29 =
38. 38.56 − 48 =
39. 39.551 − 19 =
40. 40.454 − 28 =

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