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
- 1.59 − 34 =
- 2.75 − 34 =
- 3.53 − 43 =
- 4.77 − 55 =
- 5.75 − 24 =
- 6.93 − 42 =
- 7.78 − 17 =
- 8.55 − 12 =
- 9.60 − 14 =
- 10.56 − 41 =
- 11.55 − 39 =
- 12.64 − 39 =
- 13.64 − 25 =
- 14.94 − 77 =
- 15.87 − 27 =
- 16.95 − 23 =
- 17.78 − 41 =
- 18.73 − 39 =
- 19.55 − 16 =
- 20.67 − 41 =
- 21.77 − 25 =
- 22.73 − 21 =
- 23.62 − 41 =
- 24.59 − 38 =
- 25.75 − 17 =
- 26.68 − 56 =
- 27.54 − 31 =
- 28.66 − 12 =
- 29.65 − 34 =
- 30.84 − 35 =
- 31.62 − 51 =
- 32.57 − 36 =
- 33.82 − 15 =
- 34.60 − 17 =
- 35.99 − 32 =
- 36.73 − 47 =
- 37.85 − 25 =
- 38.70 − 52 =
- 39.56 − 21 =
- 40.81 − 27 =
Answer key
- 25
- 41
- 10
- 22
- 51
- 51
- 61
- 43
- 46
- 15
- 16
- 25
- 39
- 17
- 60
- 72
- 37
- 34
- 39
- 26
- 52
- 52
- 21
- 21
- 58
- 12
- 23
- 54
- 31
- 49
- 11
- 21
- 67
- 43
- 67
- 26
- 60
- 18
- 35
- 54
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths