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
- 1.54 − 15 =
- 2.82 − 58 =
- 3.90 − 41 =
- 4.61 − 49 =
- 5.72 − 25 =
- 6.82 − 46 =
- 7.62 − 21 =
- 8.82 − 47 =
- 9.68 − 41 =
- 10.59 − 34 =
- 11.60 − 34 =
- 12.83 − 68 =
- 13.62 − 36 =
- 14.92 − 76 =
- 15.72 − 55 =
- 16.62 − 26 =
- 17.80 − 31 =
- 18.64 − 28 =
- 19.62 − 44 =
- 20.82 − 61 =
- 21.57 − 23 =
- 22.94 − 43 =
- 23.76 − 51 =
- 24.67 − 31 =
- 25.81 − 46 =
- 26.92 − 24 =
- 27.65 − 32 =
- 28.57 − 41 =
- 29.56 − 37 =
- 30.68 − 47 =
- 31.94 − 57 =
- 32.67 − 48 =
- 33.69 − 24 =
- 34.90 − 19 =
- 35.81 − 25 =
- 36.52 − 15 =
- 37.79 − 66 =
- 38.71 − 37 =
- 39.58 − 12 =
- 40.93 − 28 =
Answer key
- 39
- 24
- 49
- 12
- 47
- 36
- 41
- 35
- 27
- 25
- 26
- 15
- 26
- 16
- 17
- 36
- 49
- 36
- 18
- 21
- 34
- 51
- 25
- 36
- 35
- 68
- 33
- 16
- 19
- 21
- 37
- 19
- 45
- 71
- 56
- 37
- 13
- 34
- 46
- 65
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths