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 − 41 =
- 2.54 − 29 =
- 3.94 − 13 =
- 4.52 − 13 =
- 5.92 − 53 =
- 6.89 − 51 =
- 7.70 − 51 =
- 8.78 − 31 =
- 9.89 − 42 =
- 10.95 − 67 =
- 11.70 − 21 =
- 12.52 − 28 =
- 13.87 − 21 =
- 14.85 − 61 =
- 15.87 − 55 =
- 16.71 − 19 =
- 17.52 − 41 =
- 18.65 − 13 =
- 19.98 − 15 =
- 20.94 − 81 =
- 21.52 − 27 =
- 22.64 − 31 =
- 23.72 − 16 =
- 24.75 − 36 =
- 25.83 − 46 =
- 26.92 − 23 =
- 27.73 − 32 =
- 28.86 − 74 =
- 29.93 − 42 =
- 30.65 − 21 =
- 31.77 − 39 =
- 32.52 − 33 =
- 33.68 − 12 =
- 34.76 − 16 =
- 35.58 − 37 =
- 36.54 − 32 =
- 37.75 − 46 =
- 38.55 − 21 =
- 39.67 − 31 =
- 40.86 − 49 =
Answer key
- 18
- 25
- 81
- 39
- 39
- 38
- 19
- 47
- 47
- 28
- 49
- 24
- 66
- 24
- 32
- 52
- 11
- 52
- 83
- 13
- 25
- 33
- 56
- 39
- 37
- 69
- 41
- 12
- 51
- 44
- 38
- 19
- 56
- 60
- 21
- 22
- 29
- 34
- 36
- 37
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths