Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 200 · 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. 1.102 − 57 =
2. 2.525 − 96 =
3. 3.241 − 36 =
4. 4.528 − 67 =
5. 5.278 − 77 =
6. 6.196 − 27 =
7. 7.248 − 58 =
8. 8.234 − 96 =
9. 9.128 − 86 =
10. 10.589 − 18 =
11. 11.561 − 56 =
12. 12.156 − 29 =
13. 13.568 − 16 =
14. 14.192 − 28 =
15. 15.194 − 76 =
16. 16.354 − 77 =
17. 17.407 − 49 =
18. 18.160 − 19 =
19. 19.260 − 36 =
20. 20.480 − 57 =
21. 21.165 − 26 =
22. 22.552 − 76 =
23. 23.361 − 17 =
24. 24.369 − 77 =
25. 25.163 − 28 =
26. 26.456 − 19 =
27. 27.383 − 19 =
28. 28.380 − 36 =
29. 29.127 − 27 =
30. 30.163 − 66 =
31. 31.151 − 67 =
32. 32.370 − 27 =
33. 33.315 − 96 =
34. 34.153 − 49 =
35. 35.476 − 48 =
36. 36.149 − 48 =
37. 37.543 − 56 =
38. 38.126 − 98 =
39. 39.449 − 58 =
40. 40.201 − 66 =

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