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
- 1.81 − 58 =
- 2.68 − 21 =
- 3.69 − 12 =
- 4.72 − 22 =
- 5.57 − 13 =
- 6.55 − 34 =
- 7.64 − 34 =
- 8.56 − 29 =
- 9.55 − 26 =
- 10.54 − 21 =
- 11.53 − 37 =
- 12.92 − 56 =
- 13.63 − 12 =
- 14.75 − 18 =
- 15.88 − 13 =
- 16.82 − 31 =
- 17.68 − 28 =
- 18.76 − 65 =
- 19.64 − 14 =
- 20.83 − 45 =
- 21.71 − 57 =
- 22.54 − 42 =
- 23.56 − 15 =
- 24.92 − 53 =
- 25.97 − 45 =
- 26.81 − 56 =
- 27.55 − 14 =
- 28.88 − 57 =
- 29.94 − 51 =
- 30.79 − 41 =
- 31.62 − 23 =
- 32.54 − 17 =
- 33.56 − 28 =
- 34.56 − 14 =
- 35.77 − 27 =
- 36.67 − 16 =
- 37.69 − 18 =
- 38.55 − 43 =
- 39.89 − 35 =
- 40.91 − 81 =
Answer key
- 23
- 47
- 57
- 50
- 44
- 21
- 30
- 27
- 29
- 33
- 16
- 36
- 51
- 57
- 75
- 51
- 40
- 11
- 50
- 38
- 14
- 12
- 41
- 39
- 52
- 25
- 41
- 31
- 43
- 38
- 39
- 37
- 28
- 42
- 50
- 51
- 51
- 12
- 54
- 10
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths