Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 39 · 40 questions

How to do it in your head (Count up): Start at the smaller number. Jump to the next ten, then the next hundred, then to the bigger number. Add up all the jumps.

1. 1.53 − 42 =
2. 2.530 − 497 =
3. 3.1030 − 986 =
4. 4.67 − 41 =
5. 5.87 − 69 =
6. 6.316 − 276 =
7. 7.120 − 84 =
8. 8.1021 − 981 =
9. 9.308 − 296 =
10. 10.210 − 187 =
11. 11.213 − 197 =
12. 12.107 − 91 =
13. 13.128 − 75 =
14. 14.56 − 39 =
15. 15.107 − 89 =
16. 16.61 − 40 =
17. 17.60 − 47 =
18. 18.203 − 188 =
19. 19.60 − 39 =
20. 20.317 − 297 =
21. 21.316 − 291 =
22. 22.1005 − 985 =
23. 23.94 − 68 =
24. 24.327 − 285 =
25. 25.321 − 289 =
26. 26.1007 − 993 =
27. 27.503 − 498 =
28. 28.85 − 76 =
29. 29.312 − 284 =
30. 30.66 − 47 =
31. 31.104 − 91 =
32. 32.1022 − 992 =
33. 33.317 − 296 =
34. 34.318 − 286 =
35. 35.64 − 40 =
36. 36.1002 − 982 =
37. 37.64 − 28 =
38. 38.91 − 66 =
39. 39.202 − 198 =
40. 40.511 − 475 =

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