Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 555 · 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. 1.475 − 38 =
2. 2.572 − 37 =
3. 3.236 − 49 =
4. 4.207 − 37 =
5. 5.408 − 89 =
6. 6.175 − 17 =
7. 7.435 − 57 =
8. 8.290 − 17 =
9. 9.176 − 86 =
10. 10.499 − 69 =
11. 11.326 − 76 =
12. 12.107 − 49 =
13. 13.423 − 19 =
14. 14.417 − 98 =
15. 15.86 − 26 =
16. 16.370 − 66 =
17. 17.199 − 17 =
18. 18.68 − 56 =
19. 19.158 − 66 =
20. 20.66 − 37 =
21. 21.438 − 97 =
22. 22.533 − 26 =
23. 23.459 − 39 =
24. 24.420 − 67 =
25. 25.311 − 46 =
26. 26.319 − 89 =
27. 27.503 − 56 =
28. 28.133 − 86 =
29. 29.591 − 48 =
30. 30.566 − 88 =
31. 31.118 − 48 =
32. 32.317 − 38 =
33. 33.120 − 39 =
34. 34.429 − 79 =
35. 35.211 − 59 =
36. 36.438 − 49 =
37. 37.401 − 39 =
38. 38.154 − 67 =
39. 39.228 − 28 =
40. 40.401 − 16 =

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