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
- 1.74 − 33 =
- 2.52 − 39 =
- 3.83 − 16 =
- 4.70 − 49 =
- 5.87 − 17 =
- 6.84 − 53 =
- 7.77 − 31 =
- 8.76 − 65 =
- 9.57 − 37 =
- 10.66 − 33 =
- 11.60 − 49 =
- 12.58 − 19 =
- 13.85 − 31 =
- 14.89 − 79 =
- 15.59 − 17 =
- 16.53 − 19 =
- 17.71 − 53 =
- 18.53 − 25 =
- 19.61 − 49 =
- 20.68 − 39 =
- 21.56 − 21 =
- 22.79 − 56 =
- 23.83 − 32 =
- 24.76 − 61 =
- 25.52 − 14 =
- 26.81 − 29 =
- 27.58 − 41 =
- 28.57 − 14 =
- 29.55 − 33 =
- 30.65 − 14 =
- 31.54 − 22 =
- 32.89 − 67 =
- 33.54 − 25 =
- 34.84 − 71 =
- 35.97 − 31 =
- 36.74 − 17 =
- 37.92 − 12 =
- 38.88 − 21 =
- 39.62 − 33 =
- 40.94 − 35 =
Answer key
- 41
- 13
- 67
- 21
- 70
- 31
- 46
- 11
- 20
- 33
- 11
- 39
- 54
- 10
- 42
- 34
- 18
- 28
- 12
- 29
- 35
- 23
- 51
- 15
- 38
- 52
- 17
- 43
- 22
- 51
- 32
- 22
- 29
- 13
- 66
- 57
- 80
- 67
- 29
- 59
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths