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 − 31 =
- 2.65 − 14 =
- 3.92 − 28 =
- 4.64 − 47 =
- 5.67 − 53 =
- 6.60 − 25 =
- 7.53 − 13 =
- 8.62 − 25 =
- 9.79 − 49 =
- 10.60 − 48 =
- 11.53 − 41 =
- 12.99 − 38 =
- 13.63 − 45 =
- 14.56 − 44 =
- 15.81 − 66 =
- 16.58 − 17 =
- 17.75 − 16 =
- 18.83 − 39 =
- 19.98 − 14 =
- 20.58 − 27 =
- 21.69 − 41 =
- 22.61 − 19 =
- 23.70 − 37 =
- 24.90 − 14 =
- 25.93 − 57 =
- 26.54 − 24 =
- 27.94 − 48 =
- 28.54 − 21 =
- 29.55 − 21 =
- 30.59 − 16 =
- 31.59 − 15 =
- 32.96 − 17 =
- 33.85 − 44 =
- 34.56 − 18 =
- 35.60 − 39 =
- 36.88 − 27 =
- 37.64 − 25 =
- 38.76 − 66 =
- 39.79 − 37 =
- 40.97 − 19 =
Answer key
- 31
- 51
- 64
- 17
- 14
- 35
- 40
- 37
- 30
- 12
- 12
- 61
- 18
- 12
- 15
- 41
- 59
- 44
- 84
- 31
- 28
- 42
- 33
- 76
- 36
- 30
- 46
- 33
- 34
- 43
- 44
- 79
- 41
- 38
- 21
- 61
- 39
- 10
- 42
- 78
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths