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
- 1.82 − 42 =
- 2.81 − 45 =
- 3.54 − 33 =
- 4.66 − 14 =
- 5.97 − 86 =
- 6.83 − 16 =
- 7.86 − 68 =
- 8.53 − 43 =
- 9.82 − 22 =
- 10.99 − 31 =
- 11.71 − 13 =
- 12.77 − 36 =
- 13.88 − 61 =
- 14.73 − 61 =
- 15.53 − 25 =
- 16.94 − 69 =
- 17.65 − 54 =
- 18.89 − 72 =
- 19.83 − 34 =
- 20.90 − 37 =
- 21.73 − 49 =
- 22.65 − 21 =
- 23.95 − 38 =
- 24.62 − 13 =
- 25.52 − 32 =
- 26.78 − 67 =
- 27.75 − 29 =
- 28.92 − 73 =
- 29.73 − 22 =
- 30.79 − 15 =
- 31.74 − 56 =
- 32.96 − 71 =
- 33.57 − 17 =
- 34.98 − 76 =
- 35.74 − 42 =
- 36.53 − 14 =
- 37.59 − 42 =
- 38.65 − 23 =
- 39.65 − 25 =
- 40.70 − 28 =
Answer key
- 40
- 36
- 21
- 52
- 11
- 67
- 18
- 10
- 60
- 68
- 58
- 41
- 27
- 12
- 28
- 25
- 11
- 17
- 49
- 53
- 24
- 44
- 57
- 49
- 20
- 11
- 46
- 19
- 51
- 64
- 18
- 25
- 40
- 22
- 32
- 39
- 17
- 42
- 40
- 42
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths