Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 742 · 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. 1.350 − 38 =
2. 2.548 − 76 =
3. 3.151 − 69 =
4. 4.438 − 97 =
5. 5.352 − 49 =
6. 6.163 − 96 =
7. 7.594 − 19 =
8. 8.514 − 87 =
9. 9.169 − 17 =
10. 10.344 − 86 =
11. 11.129 − 99 =
12. 12.391 − 47 =
13. 13.544 − 18 =
14. 14.332 − 86 =
15. 15.361 − 56 =
16. 16.159 − 19 =
17. 17.159 − 29 =
18. 18.560 − 29 =
19. 19.467 − 79 =
20. 20.97 − 29 =
21. 21.118 − 48 =
22. 22.482 − 89 =
23. 23.287 − 49 =
24. 24.201 − 87 =
25. 25.244 − 47 =
26. 26.72 − 36 =
27. 27.364 − 69 =
28. 28.109 − 56 =
29. 29.353 − 59 =
30. 30.253 − 96 =
31. 31.71 − 68 =
32. 32.573 − 89 =
33. 33.436 − 49 =
34. 34.375 − 66 =
35. 35.476 − 99 =
36. 36.161 − 59 =
37. 37.171 − 78 =
38. 38.517 − 29 =
39. 39.117 − 97 =
40. 40.245 − 98 =

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