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
- 1.63 − 51 =
- 2.58 − 39 =
- 3.99 − 47 =
- 4.96 − 43 =
- 5.74 − 14 =
- 6.73 − 42 =
- 7.84 − 36 =
- 8.84 − 16 =
- 9.95 − 56 =
- 10.95 − 31 =
- 11.94 − 13 =
- 12.96 − 54 =
- 13.59 − 38 =
- 14.68 − 52 =
- 15.91 − 72 =
- 16.63 − 21 =
- 17.78 − 44 =
- 18.89 − 31 =
- 19.78 − 12 =
- 20.52 − 12 =
- 21.82 − 54 =
- 22.59 − 49 =
- 23.87 − 76 =
- 24.68 − 26 =
- 25.90 − 21 =
- 26.77 − 57 =
- 27.85 − 68 =
- 28.59 − 48 =
- 29.90 − 34 =
- 30.85 − 64 =
- 31.54 − 19 =
- 32.90 − 66 =
- 33.74 − 28 =
- 34.83 − 58 =
- 35.96 − 73 =
- 36.69 − 47 =
- 37.63 − 48 =
- 38.97 − 21 =
- 39.68 − 58 =
- 40.73 − 16 =
Answer key
- 12
- 19
- 52
- 53
- 60
- 31
- 48
- 68
- 39
- 64
- 81
- 42
- 21
- 16
- 19
- 42
- 34
- 58
- 66
- 40
- 28
- 10
- 11
- 42
- 69
- 20
- 17
- 11
- 56
- 21
- 35
- 24
- 46
- 25
- 23
- 22
- 15
- 76
- 10
- 57
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths