Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 549 · 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. 1.61 − 42 =
2. 2.61 − 43 =
3. 3.95 − 81 =
4. 4.92 − 26 =
5. 5.76 − 24 =
6. 6.65 − 18 =
7. 7.56 − 21 =
8. 8.60 − 38 =
9. 9.58 − 17 =
10. 10.92 − 28 =
11. 11.99 − 33 =
12. 12.56 − 39 =
13. 13.72 − 13 =
14. 14.58 − 25 =
15. 15.96 − 15 =
16. 16.64 − 16 =
17. 17.83 − 21 =
18. 18.97 − 16 =
19. 19.97 − 27 =
20. 20.87 − 56 =
21. 21.63 − 16 =
22. 22.98 − 35 =
23. 23.75 − 48 =
24. 24.85 − 51 =
25. 25.93 − 42 =
26. 26.52 − 28 =
27. 27.58 − 36 =
28. 28.96 − 77 =
29. 29.88 − 35 =
30. 30.76 − 55 =
31. 31.68 − 54 =
32. 32.55 − 21 =
33. 33.70 − 21 =
34. 34.76 − 65 =
35. 35.65 − 55 =
36. 36.65 − 51 =
37. 37.64 − 22 =
38. 38.76 − 53 =
39. 39.93 − 23 =
40. 40.76 − 13 =

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