Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 932 · 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. 1.73 − 51 =
2. 2.74 − 48 =
3. 3.97 − 66 =
4. 4.72 − 12 =
5. 5.96 − 16 =
6. 6.73 − 47 =
7. 7.66 − 22 =
8. 8.66 − 45 =
9. 9.63 − 36 =
10. 10.81 − 58 =
11. 11.56 − 26 =
12. 12.61 − 22 =
13. 13.87 − 21 =
14. 14.67 − 48 =
15. 15.78 − 38 =
16. 16.92 − 48 =
17. 17.99 − 82 =
18. 18.70 − 21 =
19. 19.65 − 28 =
20. 20.85 − 34 =
21. 21.78 − 32 =
22. 22.62 − 21 =
23. 23.52 − 14 =
24. 24.85 − 14 =
25. 25.69 − 31 =
26. 26.59 − 16 =
27. 27.65 − 44 =
28. 28.79 − 23 =
29. 29.65 − 39 =
30. 30.67 − 21 =
31. 31.93 − 78 =
32. 32.64 − 21 =
33. 33.78 − 27 =
34. 34.56 − 12 =
35. 35.59 − 23 =
36. 36.77 − 59 =
37. 37.75 − 58 =
38. 38.69 − 54 =
39. 39.86 − 32 =
40. 40.71 − 47 =

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