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
- 1.87 − 36 =
- 2.91 − 55 =
- 3.97 − 15 =
- 4.84 − 17 =
- 5.78 − 39 =
- 6.97 − 31 =
- 7.79 − 38 =
- 8.84 − 14 =
- 9.70 − 41 =
- 10.70 − 52 =
- 11.58 − 43 =
- 12.81 − 31 =
- 13.64 − 41 =
- 14.94 − 71 =
- 15.66 − 44 =
- 16.58 − 37 =
- 17.59 − 43 =
- 18.95 − 58 =
- 19.90 − 69 =
- 20.91 − 72 =
- 21.59 − 21 =
- 22.84 − 59 =
- 23.53 − 34 =
- 24.61 − 45 =
- 25.72 − 57 =
- 26.89 − 68 =
- 27.87 − 29 =
- 28.91 − 74 =
- 29.54 − 12 =
- 30.68 − 52 =
- 31.54 − 15 =
- 32.74 − 12 =
- 33.58 − 27 =
- 34.88 − 77 =
- 35.97 − 43 =
- 36.66 − 42 =
- 37.97 − 76 =
- 38.72 − 27 =
- 39.72 − 28 =
- 40.57 − 16 =
Answer key
- 51
- 36
- 82
- 67
- 39
- 66
- 41
- 70
- 29
- 18
- 15
- 50
- 23
- 23
- 22
- 21
- 16
- 37
- 21
- 19
- 38
- 25
- 19
- 16
- 15
- 21
- 58
- 17
- 42
- 16
- 39
- 62
- 31
- 11
- 54
- 24
- 21
- 45
- 44
- 41
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths