Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 36 · 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. 1.57 − 21 =
2. 2.60 − 51 =
3. 3.87 − 34 =
4. 4.89 − 26 =
5. 5.58 − 41 =
6. 6.84 − 28 =
7. 7.57 − 38 =
8. 8.90 − 52 =
9. 9.78 − 21 =
10. 10.95 − 25 =
11. 11.86 − 16 =
12. 12.70 − 37 =
13. 13.99 − 82 =
14. 14.65 − 22 =
15. 15.86 − 14 =
16. 16.74 − 23 =
17. 17.83 − 58 =
18. 18.54 − 42 =
19. 19.87 − 13 =
20. 20.95 − 74 =
21. 21.94 − 68 =
22. 22.53 − 41 =
23. 23.82 − 21 =
24. 24.58 − 33 =
25. 25.83 − 69 =
26. 26.89 − 69 =
27. 27.64 − 28 =
28. 28.70 − 21 =
29. 29.64 − 44 =
30. 30.67 − 18 =
31. 31.67 − 38 =
32. 32.52 − 17 =
33. 33.97 − 18 =
34. 34.61 − 34 =
35. 35.81 − 25 =
36. 36.95 − 43 =
37. 37.71 − 17 =
38. 38.67 − 16 =
39. 39.87 − 74 =
40. 40.73 − 25 =

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