Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 647 · 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. 1.136 − 16 =
2. 2.157 − 67 =
3. 3.562 − 97 =
4. 4.66 − 56 =
5. 5.132 − 19 =
6. 6.156 − 47 =
7. 7.388 − 56 =
8. 8.340 − 99 =
9. 9.306 − 16 =
10. 10.379 − 39 =
11. 11.125 − 56 =
12. 12.185 − 29 =
13. 13.328 − 36 =
14. 14.167 − 29 =
15. 15.56 − 28 =
16. 16.488 − 16 =
17. 17.139 − 59 =
18. 18.207 − 58 =
19. 19.252 − 87 =
20. 20.502 − 39 =
21. 21.117 − 29 =
22. 22.199 − 19 =
23. 23.569 − 38 =
24. 24.336 − 56 =
25. 25.465 − 18 =
26. 26.401 − 29 =
27. 27.503 − 38 =
28. 28.449 − 69 =
29. 29.274 − 67 =
30. 30.270 − 17 =
31. 31.512 − 77 =
32. 32.569 − 17 =
33. 33.130 − 97 =
34. 34.135 − 56 =
35. 35.390 − 28 =
36. 36.592 − 87 =
37. 37.449 − 38 =
38. 38.182 − 38 =
39. 39.113 − 87 =
40. 40.458 − 58 =

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