Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 654 · 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. 1.90 − 27 =
2. 2.57 − 39 =
3. 3.58 − 21 =
4. 4.71 − 36 =
5. 5.96 − 75 =
6. 6.68 − 57 =
7. 7.62 − 12 =
8. 8.89 − 71 =
9. 9.82 − 16 =
10. 10.99 − 43 =
11. 11.90 − 79 =
12. 12.56 − 27 =
13. 13.52 − 12 =
14. 14.52 − 33 =
15. 15.68 − 32 =
16. 16.69 − 31 =
17. 17.93 − 64 =
18. 18.63 − 27 =
19. 19.69 − 29 =
20. 20.74 − 17 =
21. 21.75 − 44 =
22. 22.52 − 21 =
23. 23.87 − 21 =
24. 24.59 − 45 =
25. 25.65 − 48 =
26. 26.70 − 59 =
27. 27.59 − 47 =
28. 28.91 − 38 =
29. 29.81 − 27 =
30. 30.68 − 14 =
31. 31.54 − 42 =
32. 32.88 − 69 =
33. 33.93 − 41 =
34. 34.89 − 32 =
35. 35.65 − 54 =
36. 36.69 − 14 =
37. 37.60 − 41 =
38. 38.79 − 26 =
39. 39.69 − 36 =
40. 40.62 − 46 =

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