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
- 1.81 − 15 =
- 2.69 − 21 =
- 3.70 − 19 =
- 4.88 − 36 =
- 5.88 − 46 =
- 6.81 − 31 =
- 7.96 − 56 =
- 8.54 − 12 =
- 9.96 − 43 =
- 10.64 − 18 =
- 11.92 − 48 =
- 12.90 − 55 =
- 13.52 − 19 =
- 14.82 − 19 =
- 15.66 − 33 =
- 16.71 − 52 =
- 17.59 − 18 =
- 18.84 − 57 =
- 19.63 − 17 =
- 20.71 − 47 =
- 21.90 − 39 =
- 22.71 − 26 =
- 23.83 − 59 =
- 24.86 − 27 =
- 25.75 − 21 =
- 26.63 − 16 =
- 27.54 − 42 =
- 28.87 − 14 =
- 29.93 − 71 =
- 30.73 − 24 =
- 31.56 − 41 =
- 32.72 − 39 =
- 33.55 − 18 =
- 34.60 − 43 =
- 35.67 − 26 =
- 36.86 − 21 =
- 37.66 − 22 =
- 38.78 − 47 =
- 39.55 − 12 =
- 40.60 − 27 =
Answer key
- 66
- 48
- 51
- 52
- 42
- 50
- 40
- 42
- 53
- 46
- 44
- 35
- 33
- 63
- 33
- 19
- 41
- 27
- 46
- 24
- 51
- 45
- 24
- 59
- 54
- 47
- 12
- 73
- 22
- 49
- 15
- 33
- 37
- 17
- 41
- 65
- 44
- 31
- 43
- 33
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths