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
- 1.53 − 43 =
- 2.74 − 46 =
- 3.68 − 52 =
- 4.65 − 35 =
- 5.65 − 24 =
- 6.73 − 17 =
- 7.61 − 19 =
- 8.55 − 43 =
- 9.58 − 48 =
- 10.55 − 41 =
- 11.78 − 12 =
- 12.79 − 22 =
- 13.72 − 17 =
- 14.58 − 21 =
- 15.79 − 41 =
- 16.62 − 24 =
- 17.77 − 16 =
- 18.61 − 14 =
- 19.69 − 41 =
- 20.81 − 41 =
- 21.79 − 63 =
- 22.87 − 74 =
- 23.60 − 17 =
- 24.52 − 12 =
- 25.94 − 26 =
- 26.64 − 16 =
- 27.56 − 46 =
- 28.73 − 42 =
- 29.97 − 22 =
- 30.72 − 41 =
- 31.55 − 37 =
- 32.82 − 67 =
- 33.63 − 39 =
- 34.60 − 21 =
- 35.52 − 29 =
- 36.66 − 14 =
- 37.70 − 41 =
- 38.59 − 17 =
- 39.83 − 14 =
- 40.84 − 17 =
Answer key
- 10
- 28
- 16
- 30
- 41
- 56
- 42
- 12
- 10
- 14
- 66
- 57
- 55
- 37
- 38
- 38
- 61
- 47
- 28
- 40
- 16
- 13
- 43
- 40
- 68
- 48
- 10
- 31
- 75
- 31
- 18
- 15
- 24
- 39
- 23
- 52
- 29
- 42
- 69
- 67
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths