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
- 1.57 − 28 =
- 2.65 − 31 =
- 3.89 − 12 =
- 4.83 − 19 =
- 5.87 − 23 =
- 6.86 − 25 =
- 7.81 − 19 =
- 8.52 − 16 =
- 9.77 − 57 =
- 10.53 − 23 =
- 11.88 − 16 =
- 12.58 − 26 =
- 13.79 − 41 =
- 14.53 − 16 =
- 15.94 − 31 =
- 16.92 − 81 =
- 17.89 − 46 =
- 18.92 − 41 =
- 19.60 − 47 =
- 20.69 − 57 =
- 21.55 − 38 =
- 22.63 − 51 =
- 23.65 − 38 =
- 24.63 − 48 =
- 25.66 − 22 =
- 26.59 − 44 =
- 27.53 − 14 =
- 28.93 − 28 =
- 29.61 − 45 =
- 30.66 − 15 =
- 31.89 − 44 =
- 32.78 − 31 =
- 33.78 − 44 =
- 34.79 − 34 =
- 35.81 − 51 =
- 36.66 − 51 =
- 37.98 − 27 =
- 38.95 − 23 =
- 39.90 − 21 =
- 40.76 − 38 =
Answer key
- 29
- 34
- 77
- 64
- 64
- 61
- 62
- 36
- 20
- 30
- 72
- 32
- 38
- 37
- 63
- 11
- 43
- 51
- 13
- 12
- 17
- 12
- 27
- 15
- 44
- 15
- 39
- 65
- 16
- 51
- 45
- 47
- 34
- 45
- 30
- 15
- 71
- 72
- 69
- 38
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths