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
- 1.72 − 33 =
- 2.52 − 19 =
- 3.58 − 31 =
- 4.95 − 56 =
- 5.72 − 14 =
- 6.80 − 53 =
- 7.95 − 29 =
- 8.93 − 12 =
- 9.73 − 61 =
- 10.90 − 17 =
- 11.58 − 35 =
- 12.75 − 22 =
- 13.73 − 58 =
- 14.57 − 43 =
- 15.82 − 31 =
- 16.60 − 43 =
- 17.63 − 51 =
- 18.59 − 15 =
- 19.67 − 34 =
- 20.58 − 28 =
- 21.78 − 41 =
- 22.91 − 34 =
- 23.73 − 49 =
- 24.98 − 32 =
- 25.77 − 61 =
- 26.60 − 33 =
- 27.89 − 77 =
- 28.61 − 13 =
- 29.56 − 38 =
- 30.98 − 67 =
- 31.68 − 55 =
- 32.94 − 74 =
- 33.86 − 29 =
- 34.62 − 46 =
- 35.84 − 23 =
- 36.86 − 28 =
- 37.90 − 42 =
- 38.92 − 28 =
- 39.54 − 43 =
- 40.92 − 15 =
Answer key
- 39
- 33
- 27
- 39
- 58
- 27
- 66
- 81
- 12
- 73
- 23
- 53
- 15
- 14
- 51
- 17
- 12
- 44
- 33
- 30
- 37
- 57
- 24
- 66
- 16
- 27
- 12
- 48
- 18
- 31
- 13
- 20
- 57
- 16
- 61
- 58
- 48
- 64
- 11
- 77
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths