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
- 1.62 − 27 =
- 2.81 − 37 =
- 3.67 − 36 =
- 4.57 − 43 =
- 5.57 − 38 =
- 6.63 − 35 =
- 7.94 − 12 =
- 8.55 − 16 =
- 9.67 − 51 =
- 10.74 − 43 =
- 11.53 − 21 =
- 12.92 − 51 =
- 13.88 − 71 =
- 14.64 − 14 =
- 15.86 − 42 =
- 16.58 − 13 =
- 17.73 − 41 =
- 18.91 − 76 =
- 19.53 − 28 =
- 20.57 − 47 =
- 21.57 − 29 =
- 22.78 − 29 =
- 23.98 − 33 =
- 24.99 − 69 =
- 25.89 − 66 =
- 26.94 − 71 =
- 27.63 − 49 =
- 28.79 − 27 =
- 29.99 − 19 =
- 30.73 − 31 =
- 31.55 − 25 =
- 32.94 − 41 =
- 33.86 − 18 =
- 34.96 − 39 =
- 35.82 − 39 =
- 36.89 − 67 =
- 37.68 − 31 =
- 38.63 − 12 =
- 39.63 − 31 =
- 40.53 − 22 =
Answer key
- 35
- 44
- 31
- 14
- 19
- 28
- 82
- 39
- 16
- 31
- 32
- 41
- 17
- 50
- 44
- 45
- 32
- 15
- 25
- 10
- 28
- 49
- 65
- 30
- 23
- 23
- 14
- 52
- 80
- 42
- 30
- 53
- 68
- 57
- 43
- 22
- 37
- 51
- 32
- 31
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths