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
- 1.60 − 47 =
- 2.81 − 62 =
- 3.55 − 21 =
- 4.63 − 13 =
- 5.62 − 21 =
- 6.86 − 76 =
- 7.67 − 31 =
- 8.79 − 17 =
- 9.77 − 51 =
- 10.85 − 39 =
- 11.54 − 27 =
- 12.61 − 17 =
- 13.64 − 13 =
- 14.90 − 61 =
- 15.98 − 31 =
- 16.81 − 21 =
- 17.82 − 13 =
- 18.89 − 31 =
- 19.79 − 61 =
- 20.87 − 34 =
- 21.59 − 23 =
- 22.85 − 12 =
- 23.59 − 21 =
- 24.79 − 36 =
- 25.95 − 42 =
- 26.77 − 23 =
- 27.81 − 65 =
- 28.99 − 39 =
- 29.71 − 12 =
- 30.55 − 14 =
- 31.75 − 32 =
- 32.82 − 37 =
- 33.70 − 29 =
- 34.85 − 14 =
- 35.70 − 27 =
- 36.60 − 21 =
- 37.92 − 31 =
- 38.97 − 33 =
- 39.66 − 21 =
- 40.69 − 45 =
Answer key
- 13
- 19
- 34
- 50
- 41
- 10
- 36
- 62
- 26
- 46
- 27
- 44
- 51
- 29
- 67
- 60
- 69
- 58
- 18
- 53
- 36
- 73
- 38
- 43
- 53
- 54
- 16
- 60
- 59
- 41
- 43
- 45
- 41
- 71
- 43
- 39
- 61
- 64
- 45
- 24
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths