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
- 1.53 − 21 =
- 2.88 − 37 =
- 3.71 − 37 =
- 4.68 − 51 =
- 5.54 − 14 =
- 6.53 − 36 =
- 7.58 − 32 =
- 8.79 − 62 =
- 9.77 − 47 =
- 10.99 − 39 =
- 11.69 − 38 =
- 12.94 − 31 =
- 13.66 − 31 =
- 14.85 − 64 =
- 15.87 − 68 =
- 16.83 − 38 =
- 17.55 − 41 =
- 18.86 − 73 =
- 19.89 − 22 =
- 20.67 − 23 =
- 21.59 − 48 =
- 22.98 − 17 =
- 23.53 − 13 =
- 24.80 − 32 =
- 25.52 − 17 =
- 26.77 − 42 =
- 27.58 − 47 =
- 28.73 − 31 =
- 29.95 − 26 =
- 30.67 − 48 =
- 31.85 − 28 =
- 32.78 − 54 =
- 33.66 − 49 =
- 34.69 − 12 =
- 35.82 − 45 =
- 36.52 − 13 =
- 37.84 − 21 =
- 38.58 − 44 =
- 39.91 − 31 =
- 40.98 − 33 =
Answer key
- 32
- 51
- 34
- 17
- 40
- 17
- 26
- 17
- 30
- 60
- 31
- 63
- 35
- 21
- 19
- 45
- 14
- 13
- 67
- 44
- 11
- 81
- 40
- 48
- 35
- 35
- 11
- 42
- 69
- 19
- 57
- 24
- 17
- 57
- 37
- 39
- 63
- 14
- 60
- 65
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths