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
- 1.72 − 31 =
- 2.68 − 12 =
- 3.82 − 15 =
- 4.96 − 15 =
- 5.79 − 21 =
- 6.97 − 59 =
- 7.97 − 36 =
- 8.90 − 58 =
- 9.52 − 19 =
- 10.92 − 23 =
- 11.97 − 76 =
- 12.86 − 51 =
- 13.62 − 39 =
- 14.88 − 37 =
- 15.99 − 59 =
- 16.56 − 41 =
- 17.95 − 21 =
- 18.71 − 57 =
- 19.90 − 38 =
- 20.92 − 82 =
- 21.60 − 22 =
- 22.76 − 62 =
- 23.53 − 29 =
- 24.57 − 43 =
- 25.85 − 68 =
- 26.97 − 19 =
- 27.63 − 25 =
- 28.80 − 27 =
- 29.81 − 25 =
- 30.70 − 44 =
- 31.71 − 55 =
- 32.75 − 59 =
- 33.82 − 41 =
- 34.75 − 26 =
- 35.56 − 45 =
- 36.83 − 58 =
- 37.66 − 18 =
- 38.60 − 36 =
- 39.70 − 47 =
- 40.89 − 23 =
Answer key
- 41
- 56
- 67
- 81
- 58
- 38
- 61
- 32
- 33
- 69
- 21
- 35
- 23
- 51
- 40
- 15
- 74
- 14
- 52
- 10
- 38
- 14
- 24
- 14
- 17
- 78
- 38
- 53
- 56
- 26
- 16
- 16
- 41
- 49
- 11
- 25
- 48
- 24
- 23
- 66
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths