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
- 1.97 − 81 =
- 2.61 − 18 =
- 3.74 − 51 =
- 4.82 − 59 =
- 5.79 − 58 =
- 6.89 − 18 =
- 7.97 − 67 =
- 8.64 − 42 =
- 9.75 − 23 =
- 10.71 − 35 =
- 11.70 − 57 =
- 12.76 − 53 =
- 13.68 − 31 =
- 14.93 − 32 =
- 15.95 − 14 =
- 16.57 − 14 =
- 17.69 − 27 =
- 18.89 − 66 =
- 19.67 − 16 =
- 20.61 − 19 =
- 21.63 − 38 =
- 22.93 − 81 =
- 23.71 − 42 =
- 24.58 − 21 =
- 25.81 − 67 =
- 26.77 − 22 =
- 27.63 − 17 =
- 28.97 − 55 =
- 29.53 − 18 =
- 30.97 − 77 =
- 31.77 − 28 =
- 32.93 − 29 =
- 33.93 − 22 =
- 34.72 − 17 =
- 35.70 − 31 =
- 36.59 − 23 =
- 37.83 − 23 =
- 38.85 − 14 =
- 39.62 − 29 =
- 40.74 − 12 =
Answer key
- 16
- 43
- 23
- 23
- 21
- 71
- 30
- 22
- 52
- 36
- 13
- 23
- 37
- 61
- 81
- 43
- 42
- 23
- 51
- 42
- 25
- 12
- 29
- 37
- 14
- 55
- 46
- 42
- 35
- 20
- 49
- 64
- 71
- 55
- 39
- 36
- 60
- 71
- 33
- 62
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths