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
- 1.64 − 31 =
- 2.64 − 21 =
- 3.96 − 32 =
- 4.57 − 27 =
- 5.85 − 56 =
- 6.83 − 17 =
- 7.68 − 29 =
- 8.57 − 43 =
- 9.93 − 63 =
- 10.78 − 48 =
- 11.59 − 26 =
- 12.81 − 46 =
- 13.54 − 19 =
- 14.77 − 17 =
- 15.93 − 81 =
- 16.85 − 33 =
- 17.91 − 26 =
- 18.75 − 24 =
- 19.75 − 57 =
- 20.65 − 38 =
- 21.92 − 27 =
- 22.59 − 16 =
- 23.54 − 16 =
- 24.60 − 38 =
- 25.78 − 29 =
- 26.83 − 35 =
- 27.78 − 21 =
- 28.52 − 13 =
- 29.78 − 15 =
- 30.74 − 58 =
- 31.56 − 24 =
- 32.67 − 46 =
- 33.92 − 56 =
- 34.71 − 14 =
- 35.84 − 17 =
- 36.96 − 18 =
- 37.52 − 36 =
- 38.99 − 31 =
- 39.96 − 21 =
- 40.62 − 23 =
Answer key
- 33
- 43
- 64
- 30
- 29
- 66
- 39
- 14
- 30
- 30
- 33
- 35
- 35
- 60
- 12
- 52
- 65
- 51
- 18
- 27
- 65
- 43
- 38
- 22
- 49
- 48
- 57
- 39
- 63
- 16
- 32
- 21
- 36
- 57
- 67
- 78
- 16
- 68
- 75
- 39
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths