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
- 1.68 − 36 =
- 2.83 − 46 =
- 3.81 − 12 =
- 4.99 − 57 =
- 5.89 − 51 =
- 6.80 − 68 =
- 7.59 − 16 =
- 8.69 − 32 =
- 9.88 − 48 =
- 10.60 − 36 =
- 11.60 − 42 =
- 12.73 − 17 =
- 13.53 − 22 =
- 14.68 − 41 =
- 15.96 − 59 =
- 16.94 − 82 =
- 17.97 − 38 =
- 18.52 − 31 =
- 19.55 − 33 =
- 20.76 − 35 =
- 21.63 − 17 =
- 22.60 − 21 =
- 23.53 − 43 =
- 24.92 − 12 =
- 25.60 − 44 =
- 26.89 − 67 =
- 27.68 − 25 =
- 28.72 − 54 =
- 29.89 − 52 =
- 30.73 − 58 =
- 31.69 − 16 =
- 32.71 − 53 =
- 33.79 − 45 =
- 34.53 − 17 =
- 35.60 − 39 =
- 36.60 − 22 =
- 37.86 − 24 =
- 38.72 − 61 =
- 39.94 − 25 =
- 40.90 − 59 =
Answer key
- 32
- 37
- 69
- 42
- 38
- 12
- 43
- 37
- 40
- 24
- 18
- 56
- 31
- 27
- 37
- 12
- 59
- 21
- 22
- 41
- 46
- 39
- 10
- 80
- 16
- 22
- 43
- 18
- 37
- 15
- 53
- 18
- 34
- 36
- 21
- 38
- 62
- 11
- 69
- 31
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths