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
- 1.67 − 21 =
- 2.55 − 41 =
- 3.54 − 24 =
- 4.60 − 43 =
- 5.63 − 39 =
- 6.94 − 21 =
- 7.98 − 33 =
- 8.84 − 71 =
- 9.81 − 71 =
- 10.81 − 41 =
- 11.58 − 42 =
- 12.89 − 78 =
- 13.83 − 15 =
- 14.60 − 33 =
- 15.82 − 61 =
- 16.69 − 24 =
- 17.69 − 52 =
- 18.55 − 42 =
- 19.53 − 26 =
- 20.67 − 41 =
- 21.67 − 25 =
- 22.80 − 42 =
- 23.92 − 14 =
- 24.92 − 21 =
- 25.58 − 19 =
- 26.88 − 51 =
- 27.65 − 14 =
- 28.70 − 58 =
- 29.93 − 18 =
- 30.77 − 32 =
- 31.68 − 55 =
- 32.68 − 34 =
- 33.86 − 46 =
- 34.64 − 52 =
- 35.80 − 12 =
- 36.78 − 18 =
- 37.60 − 31 =
- 38.86 − 24 =
- 39.76 − 45 =
- 40.70 − 31 =
Answer key
- 46
- 14
- 30
- 17
- 24
- 73
- 65
- 13
- 10
- 40
- 16
- 11
- 68
- 27
- 21
- 45
- 17
- 13
- 27
- 26
- 42
- 38
- 78
- 71
- 39
- 37
- 51
- 12
- 75
- 45
- 13
- 34
- 40
- 12
- 68
- 60
- 29
- 62
- 31
- 39
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths