Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 84 · 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. 1.426 − 19 =
2. 2.378 − 49 =
3. 3.183 − 99 =
4. 4.246 − 39 =
5. 5.186 − 47 =
6. 6.481 − 97 =
7. 7.430 − 56 =
8. 8.329 − 89 =
9. 9.188 − 46 =
10. 10.169 − 26 =
11. 11.140 − 78 =
12. 12.327 − 19 =
13. 13.526 − 88 =
14. 14.303 − 16 =
15. 15.447 − 68 =
16. 16.356 − 46 =
17. 17.520 − 37 =
18. 18.164 − 47 =
19. 19.123 − 68 =
20. 20.121 − 47 =
21. 21.76 − 38 =
22. 22.400 − 79 =
23. 23.515 − 26 =
24. 24.400 − 69 =
25. 25.259 − 97 =
26. 26.455 − 16 =
27. 27.475 − 37 =
28. 28.230 − 58 =
29. 29.447 − 66 =
30. 30.383 − 48 =
31. 31.183 − 26 =
32. 32.124 − 49 =
33. 33.596 − 28 =
34. 34.268 − 79 =
35. 35.293 − 29 =
36. 36.273 − 39 =
37. 37.298 − 68 =
38. 38.274 − 29 =
39. 39.469 − 38 =
40. 40.167 − 88 =

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