Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 597 · 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. 1.69 − 12 =
2. 2.55 − 25 =
3. 3.55 − 39 =
4. 4.53 − 17 =
5. 5.87 − 29 =
6. 6.99 − 61 =
7. 7.84 − 13 =
8. 8.73 − 45 =
9. 9.82 − 58 =
10. 10.98 − 86 =
11. 11.80 − 33 =
12. 12.73 − 54 =
13. 13.78 − 21 =
14. 14.62 − 45 =
15. 15.53 − 31 =
16. 16.75 − 61 =
17. 17.90 − 41 =
18. 18.73 − 55 =
19. 19.97 − 51 =
20. 20.61 − 39 =
21. 21.54 − 12 =
22. 22.75 − 51 =
23. 23.91 − 38 =
24. 24.93 − 72 =
25. 25.80 − 35 =
26. 26.72 − 26 =
27. 27.56 − 38 =
28. 28.76 − 51 =
29. 29.76 − 17 =
30. 30.58 − 14 =
31. 31.81 − 45 =
32. 32.52 − 18 =
33. 33.75 − 24 =
34. 34.72 − 61 =
35. 35.70 − 27 =
36. 36.67 − 27 =
37. 37.92 − 51 =
38. 38.99 − 67 =
39. 39.71 − 45 =
40. 40.90 − 55 =

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