Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 915 · 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. 1.87 − 71 =
2. 2.76 − 44 =
3. 3.71 − 21 =
4. 4.66 − 33 =
5. 5.54 − 15 =
6. 6.71 − 46 =
7. 7.97 − 67 =
8. 8.89 − 26 =
9. 9.54 − 13 =
10. 10.74 − 48 =
11. 11.55 − 42 =
12. 12.60 − 36 =
13. 13.54 − 41 =
14. 14.98 − 23 =
15. 15.80 − 22 =
16. 16.71 − 58 =
17. 17.78 − 45 =
18. 18.54 − 28 =
19. 19.81 − 58 =
20. 20.61 − 41 =
21. 21.96 − 21 =
22. 22.55 − 31 =
23. 23.62 − 28 =
24. 24.84 − 58 =
25. 25.96 − 18 =
26. 26.52 − 26 =
27. 27.72 − 31 =
28. 28.61 − 42 =
29. 29.97 − 51 =
30. 30.79 − 19 =
31. 31.68 − 13 =
32. 32.57 − 15 =
33. 33.94 − 49 =
34. 34.87 − 25 =
35. 35.73 − 53 =
36. 36.88 − 22 =
37. 37.66 − 38 =
38. 38.94 − 45 =
39. 39.59 − 23 =
40. 40.93 − 19 =

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