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 − 48 =
- 2.77 − 21 =
- 3.91 − 71 =
- 4.87 − 18 =
- 5.91 − 67 =
- 6.56 − 44 =
- 7.72 − 61 =
- 8.61 − 14 =
- 9.88 − 66 =
- 10.58 − 41 =
- 11.58 − 48 =
- 12.98 − 62 =
- 13.97 − 41 =
- 14.72 − 13 =
- 15.78 − 63 =
- 16.60 − 41 =
- 17.98 − 85 =
- 18.79 − 43 =
- 19.99 − 48 =
- 20.60 − 28 =
- 21.83 − 31 =
- 22.78 − 32 =
- 23.91 − 31 =
- 24.96 − 83 =
- 25.52 − 21 =
- 26.68 − 47 =
- 27.79 − 18 =
- 28.85 − 28 =
- 29.92 − 68 =
- 30.63 − 41 =
- 31.54 − 41 =
- 32.92 − 34 =
- 33.73 − 51 =
- 34.68 − 25 =
- 35.58 − 19 =
- 36.94 − 82 =
- 37.82 − 28 =
- 38.88 − 34 =
- 39.54 − 37 =
- 40.90 − 33 =
Answer key
- 14
- 56
- 20
- 69
- 24
- 12
- 11
- 47
- 22
- 17
- 10
- 36
- 56
- 59
- 15
- 19
- 13
- 36
- 51
- 32
- 52
- 46
- 60
- 13
- 31
- 21
- 61
- 57
- 24
- 22
- 13
- 58
- 22
- 43
- 39
- 12
- 54
- 54
- 17
- 57
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths