Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 780 · 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. 1.84 − 66 =
2. 2.63 − 48 =
3. 3.62 − 32 =
4. 4.55 − 35 =
5. 5.52 − 21 =
6. 6.61 − 51 =
7. 7.89 − 41 =
8. 8.55 − 27 =
9. 9.73 − 44 =
10. 10.72 − 29 =
11. 11.90 − 41 =
12. 12.54 − 41 =
13. 13.61 − 21 =
14. 14.72 − 18 =
15. 15.90 − 76 =
16. 16.53 − 42 =
17. 17.79 − 27 =
18. 18.86 − 42 =
19. 19.62 − 46 =
20. 20.61 − 47 =
21. 21.63 − 51 =
22. 22.63 − 27 =
23. 23.58 − 45 =
24. 24.93 − 71 =
25. 25.64 − 14 =
26. 26.79 − 16 =
27. 27.99 − 83 =
28. 28.54 − 16 =
29. 29.54 − 21 =
30. 30.87 − 17 =
31. 31.62 − 44 =
32. 32.73 − 51 =
33. 33.98 − 53 =
34. 34.79 − 26 =
35. 35.85 − 18 =
36. 36.80 − 56 =
37. 37.53 − 13 =
38. 38.54 − 15 =
39. 39.87 − 43 =
40. 40.65 − 21 =

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