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
- 1.89 − 21 =
- 2.55 − 27 =
- 3.79 − 42 =
- 4.61 − 19 =
- 5.70 − 43 =
- 6.83 − 53 =
- 7.75 − 54 =
- 8.65 − 14 =
- 9.53 − 43 =
- 10.85 − 67 =
- 11.59 − 19 =
- 12.68 − 31 =
- 13.90 − 21 =
- 14.65 − 34 =
- 15.81 − 69 =
- 16.81 − 46 =
- 17.82 − 21 =
- 18.73 − 23 =
- 19.98 − 34 =
- 20.59 − 17 =
- 21.77 − 41 =
- 22.96 − 31 =
- 23.84 − 57 =
- 24.83 − 49 =
- 25.61 − 12 =
- 26.99 − 38 =
- 27.69 − 16 =
- 28.60 − 46 =
- 29.62 − 35 =
- 30.63 − 23 =
- 31.73 − 38 =
- 32.71 − 34 =
- 33.93 − 45 =
- 34.97 − 51 =
- 35.94 − 31 =
- 36.63 − 26 =
- 37.85 − 38 =
- 38.86 − 37 =
- 39.74 − 13 =
- 40.98 − 63 =
Answer key
- 68
- 28
- 37
- 42
- 27
- 30
- 21
- 51
- 10
- 18
- 40
- 37
- 69
- 31
- 12
- 35
- 61
- 50
- 64
- 42
- 36
- 65
- 27
- 34
- 49
- 61
- 53
- 14
- 27
- 40
- 35
- 37
- 48
- 46
- 63
- 37
- 47
- 49
- 61
- 35
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths