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
- 1.79 − 61 =
- 2.94 − 66 =
- 3.88 − 21 =
- 4.55 − 32 =
- 5.89 − 52 =
- 6.57 − 34 =
- 7.92 − 65 =
- 8.62 − 32 =
- 9.86 − 44 =
- 10.56 − 33 =
- 11.75 − 64 =
- 12.79 − 29 =
- 13.52 − 35 =
- 14.53 − 13 =
- 15.81 − 45 =
- 16.66 − 41 =
- 17.56 − 15 =
- 18.52 − 41 =
- 19.78 − 13 =
- 20.64 − 22 =
- 21.92 − 55 =
- 22.63 − 21 =
- 23.90 − 46 =
- 24.85 − 17 =
- 25.98 − 46 =
- 26.60 − 43 =
- 27.97 − 29 =
- 28.94 − 61 =
- 29.78 − 28 =
- 30.97 − 57 =
- 31.55 − 35 =
- 32.85 − 13 =
- 33.72 − 38 =
- 34.59 − 13 =
- 35.86 − 72 =
- 36.60 − 47 =
- 37.98 − 18 =
- 38.88 − 52 =
- 39.79 − 52 =
- 40.55 − 38 =
Answer key
- 18
- 28
- 67
- 23
- 37
- 23
- 27
- 30
- 42
- 23
- 11
- 50
- 17
- 40
- 36
- 25
- 41
- 11
- 65
- 42
- 37
- 42
- 44
- 68
- 52
- 17
- 68
- 33
- 50
- 40
- 20
- 72
- 34
- 46
- 14
- 13
- 80
- 36
- 27
- 17
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths