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
- 1.59 − 27 =
- 2.58 − 18 =
- 3.53 − 39 =
- 4.69 − 34 =
- 5.79 − 32 =
- 6.57 − 33 =
- 7.84 − 43 =
- 8.52 − 27 =
- 9.99 − 66 =
- 10.53 − 31 =
- 11.99 − 19 =
- 12.92 − 62 =
- 13.83 − 71 =
- 14.92 − 82 =
- 15.70 − 17 =
- 16.59 − 31 =
- 17.73 − 17 =
- 18.65 − 41 =
- 19.79 − 47 =
- 20.78 − 49 =
- 21.67 − 13 =
- 22.92 − 61 =
- 23.61 − 12 =
- 24.67 − 37 =
- 25.80 − 64 =
- 26.77 − 13 =
- 27.55 − 14 =
- 28.62 − 29 =
- 29.78 − 42 =
- 30.79 − 51 =
- 31.71 − 38 =
- 32.86 − 71 =
- 33.76 − 36 =
- 34.88 − 28 =
- 35.88 − 22 =
- 36.80 − 28 =
- 37.90 − 81 =
- 38.69 − 56 =
- 39.81 − 41 =
- 40.53 − 15 =
Answer key
- 32
- 40
- 14
- 35
- 47
- 24
- 41
- 25
- 33
- 22
- 80
- 30
- 12
- 10
- 53
- 28
- 56
- 24
- 32
- 29
- 54
- 31
- 49
- 30
- 16
- 64
- 41
- 33
- 36
- 28
- 33
- 15
- 40
- 60
- 66
- 52
- 9
- 13
- 40
- 38
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths