Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 540 · 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. 1.65 − 36 =
2. 2.385 − 78 =
3. 3.529 − 19 =
4. 4.533 − 67 =
5. 5.281 − 46 =
6. 6.371 − 39 =
7. 7.469 − 48 =
8. 8.493 − 89 =
9. 9.335 − 96 =
10. 10.288 − 37 =
11. 11.132 − 56 =
12. 12.374 − 47 =
13. 13.163 − 86 =
14. 14.598 − 89 =
15. 15.369 − 19 =
16. 16.430 − 99 =
17. 17.301 − 39 =
18. 18.97 − 37 =
19. 19.182 − 49 =
20. 20.512 − 76 =
21. 21.212 − 59 =
22. 22.273 − 98 =
23. 23.123 − 16 =
24. 24.479 − 26 =
25. 25.215 − 47 =
26. 26.232 − 36 =
27. 27.217 − 46 =
28. 28.464 − 68 =
29. 29.404 − 16 =
30. 30.412 − 96 =
31. 31.210 − 19 =
32. 32.223 − 86 =
33. 33.297 − 56 =
34. 34.232 − 96 =
35. 35.363 − 78 =
36. 36.484 − 68 =
37. 37.200 − 57 =
38. 38.473 − 88 =
39. 39.153 − 68 =
40. 40.320 − 79 =

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