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
- 1.73 − 21 =
- 2.95 − 51 =
- 3.52 − 27 =
- 4.81 − 54 =
- 5.65 − 36 =
- 6.60 − 41 =
- 7.93 − 35 =
- 8.98 − 73 =
- 9.64 − 46 =
- 10.83 − 17 =
- 11.70 − 52 =
- 12.99 − 54 =
- 13.98 − 45 =
- 14.81 − 21 =
- 15.58 − 41 =
- 16.79 − 38 =
- 17.73 − 51 =
- 18.57 − 35 =
- 19.97 − 38 =
- 20.74 − 29 =
- 21.65 − 37 =
- 22.60 − 21 =
- 23.66 − 17 =
- 24.90 − 38 =
- 25.61 − 14 =
- 26.94 − 26 =
- 27.75 − 21 =
- 28.72 − 56 =
- 29.62 − 41 =
- 30.71 − 21 =
- 31.88 − 64 =
- 32.80 − 29 =
- 33.73 − 61 =
- 34.53 − 37 =
- 35.60 − 28 =
- 36.60 − 13 =
- 37.77 − 37 =
- 38.95 − 43 =
- 39.86 − 75 =
- 40.89 − 24 =
Answer key
- 52
- 44
- 25
- 27
- 29
- 19
- 58
- 25
- 18
- 66
- 18
- 45
- 53
- 60
- 17
- 41
- 22
- 22
- 59
- 45
- 28
- 39
- 49
- 52
- 47
- 68
- 54
- 16
- 21
- 50
- 24
- 51
- 12
- 16
- 32
- 47
- 40
- 52
- 11
- 65
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths