Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 353 · 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. 1.578 − 56 =
2. 2.362 − 87 =
3. 3.193 − 96 =
4. 4.211 − 27 =
5. 5.149 − 28 =
6. 6.512 − 48 =
7. 7.182 − 28 =
8. 8.564 − 39 =
9. 9.195 − 79 =
10. 10.213 − 19 =
11. 11.215 − 27 =
12. 12.446 − 46 =
13. 13.522 − 58 =
14. 14.60 − 18 =
15. 15.147 − 27 =
16. 16.589 − 28 =
17. 17.560 − 59 =
18. 18.535 − 48 =
19. 19.274 − 99 =
20. 20.98 − 29 =
21. 21.125 − 67 =
22. 22.62 − 16 =
23. 23.197 − 99 =
24. 24.176 − 66 =
25. 25.159 − 19 =
26. 26.240 − 86 =
27. 27.97 − 79 =
28. 28.123 − 37 =
29. 29.86 − 67 =
30. 30.339 − 69 =
31. 31.292 − 38 =
32. 32.551 − 89 =
33. 33.385 − 16 =
34. 34.313 − 19 =
35. 35.69 − 18 =
36. 36.588 − 69 =
37. 37.56 − 36 =
38. 38.338 − 56 =
39. 39.72 − 46 =
40. 40.197 − 98 =

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