Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 130 · 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. 1.420 − 26 =
2. 2.552 − 36 =
3. 3.438 − 48 =
4. 4.598 − 89 =
5. 5.437 − 28 =
6. 6.251 − 98 =
7. 7.545 − 98 =
8. 8.575 − 48 =
9. 9.124 − 69 =
10. 10.406 − 37 =
11. 11.213 − 67 =
12. 12.213 − 99 =
13. 13.305 − 98 =
14. 14.302 − 86 =
15. 15.279 − 37 =
16. 16.337 − 78 =
17. 17.247 − 17 =
18. 18.208 − 47 =
19. 19.402 − 47 =
20. 20.438 − 17 =
21. 21.428 − 86 =
22. 22.194 − 79 =
23. 23.252 − 58 =
24. 24.470 − 29 =
25. 25.127 − 66 =
26. 26.134 − 87 =
27. 27.262 − 46 =
28. 28.399 − 39 =
29. 29.497 − 59 =
30. 30.263 − 99 =
31. 31.249 − 69 =
32. 32.463 − 29 =
33. 33.543 − 79 =
34. 34.200 − 97 =
35. 35.124 − 48 =
36. 36.462 − 98 =
37. 37.443 − 58 =
38. 38.581 − 57 =
39. 39.217 − 77 =
40. 40.186 − 16 =

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