Mental Subtraction Worksheet for Class 2 and 3
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).
NameDateTime takenScore ___ / 40
- 1.97 − 24 =
- 2.73 − 46 =
- 3.82 − 17 =
- 4.53 − 14 =
- 5.70 − 33 =
- 6.64 − 47 =
- 7.57 − 18 =
- 8.78 − 53 =
- 9.80 − 52 =
- 10.96 − 31 =
- 11.96 − 44 =
- 12.85 − 41 =
- 13.94 − 48 =
- 14.67 − 37 =
- 15.85 − 24 =
- 16.68 − 31 =
- 17.65 − 18 =
- 18.97 − 54 =
- 19.95 − 13 =
- 20.65 − 21 =
- 21.69 − 52 =
- 22.95 − 43 =
- 23.80 − 39 =
- 24.75 − 22 =
- 25.90 − 66 =
- 26.59 − 32 =
- 27.61 − 51 =
- 28.88 − 71 =
- 29.73 − 25 =
- 30.58 − 28 =
- 31.86 − 16 =
- 32.81 − 52 =
- 33.90 − 21 =
- 34.69 − 34 =
- 35.70 − 53 =
- 36.98 − 88 =
- 37.89 − 78 =
- 38.55 − 12 =
- 39.90 − 41 =
- 40.94 − 73 =
Answer key
- 73
- 27
- 65
- 39
- 37
- 17
- 39
- 25
- 28
- 65
- 52
- 44
- 46
- 30
- 61
- 37
- 47
- 43
- 82
- 44
- 17
- 52
- 41
- 53
- 24
- 27
- 10
- 17
- 48
- 30
- 70
- 29
- 69
- 35
- 17
- 10
- 11
- 43
- 49
- 21
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths