Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 893 · 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. 1.528 − 98 =
2. 2.145 − 79 =
3. 3.152 − 78 =
4. 4.178 − 96 =
5. 5.131 − 28 =
6. 6.540 − 96 =
7. 7.393 − 26 =
8. 8.542 − 26 =
9. 9.90 − 59 =
10. 10.366 − 97 =
11. 11.342 − 87 =
12. 12.470 − 76 =
13. 13.111 − 16 =
14. 14.369 − 28 =
15. 15.56 − 29 =
16. 16.593 − 18 =
17. 17.558 − 36 =
18. 18.192 − 89 =
19. 19.153 − 79 =
20. 20.199 − 98 =
21. 21.104 − 66 =
22. 22.557 − 98 =
23. 23.77 − 28 =
24. 24.472 − 57 =
25. 25.324 − 16 =
26. 26.435 − 27 =
27. 27.459 − 49 =
28. 28.463 − 39 =
29. 29.154 − 67 =
30. 30.166 − 99 =
31. 31.160 − 99 =
32. 32.200 − 89 =
33. 33.93 − 67 =
34. 34.225 − 96 =
35. 35.169 − 47 =
36. 36.201 − 86 =
37. 37.183 − 57 =
38. 38.221 − 26 =
39. 39.163 − 57 =
40. 40.488 − 38 =

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