Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 238 · 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. 1.231 − 69 =
2. 2.431 − 49 =
3. 3.452 − 29 =
4. 4.157 − 87 =
5. 5.416 − 56 =
6. 6.494 − 87 =
7. 7.442 − 48 =
8. 8.362 − 57 =
9. 9.111 − 28 =
10. 10.199 − 26 =
11. 11.560 − 69 =
12. 12.342 − 17 =
13. 13.344 − 67 =
14. 14.485 − 76 =
15. 15.208 − 67 =
16. 16.594 − 28 =
17. 17.259 − 29 =
18. 18.322 − 57 =
19. 19.428 − 37 =
20. 20.197 − 99 =
21. 21.346 − 27 =
22. 22.456 − 76 =
23. 23.515 − 29 =
24. 24.477 − 48 =
25. 25.382 − 66 =
26. 26.546 − 48 =
27. 27.273 − 76 =
28. 28.564 − 99 =
29. 29.289 − 76 =
30. 30.369 − 48 =
31. 31.520 − 28 =
32. 32.112 − 19 =
33. 33.393 − 86 =
34. 34.537 − 49 =
35. 35.378 − 69 =
36. 36.276 − 36 =
37. 37.433 − 88 =
38. 38.460 − 26 =
39. 39.584 − 98 =
40. 40.90 − 68 =

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