Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 878 · 40 questions

How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).

1. 1.60 − 51 =
2. 2.70 − 21 =
3. 3.64 − 14 =
4. 4.97 − 17 =
5. 5.90 − 16 =
6. 6.71 − 59 =
7. 7.52 − 42 =
8. 8.79 − 32 =
9. 9.85 − 15 =
10. 10.75 − 21 =
11. 11.91 − 61 =
12. 12.68 − 33 =
13. 13.90 − 66 =
14. 14.79 − 17 =
15. 15.64 − 29 =
16. 16.55 − 44 =
17. 17.75 − 45 =
18. 18.82 − 34 =
19. 19.64 − 38 =
20. 20.98 − 39 =
21. 21.66 − 38 =
22. 22.84 − 17 =
23. 23.98 − 75 =
24. 24.57 − 26 =
25. 25.63 − 48 =
26. 26.56 − 21 =
27. 27.82 − 37 =
28. 28.64 − 15 =
29. 29.59 − 31 =
30. 30.52 − 13 =
31. 31.77 − 66 =
32. 32.54 − 27 =
33. 33.99 − 85 =
34. 34.55 − 43 =
35. 35.72 − 12 =
36. 36.55 − 28 =
37. 37.58 − 18 =
38. 38.99 − 14 =
39. 39.75 − 52 =
40. 40.83 − 39 =

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