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
- 1.60 − 25 =
- 2.97 − 43 =
- 3.59 − 31 =
- 4.72 − 36 =
- 5.77 − 48 =
- 6.70 − 46 =
- 7.78 − 22 =
- 8.94 − 42 =
- 9.76 − 64 =
- 10.66 − 26 =
- 11.59 − 44 =
- 12.85 − 61 =
- 13.61 − 34 =
- 14.80 − 61 =
- 15.77 − 28 =
- 16.81 − 21 =
- 17.84 − 49 =
- 18.89 − 57 =
- 19.52 − 36 =
- 20.57 − 21 =
- 21.86 − 16 =
- 22.96 − 71 =
- 23.67 − 34 =
- 24.83 − 51 =
- 25.56 − 33 =
- 26.53 − 17 =
- 27.84 − 55 =
- 28.86 − 53 =
- 29.68 − 17 =
- 30.59 − 32 =
- 31.55 − 37 =
- 32.56 − 45 =
- 33.58 − 41 =
- 34.61 − 17 =
- 35.58 − 12 =
- 36.88 − 36 =
- 37.97 − 25 =
- 38.52 − 15 =
- 39.63 − 51 =
- 40.85 − 21 =
Answer key
- 35
- 54
- 28
- 36
- 29
- 24
- 56
- 52
- 12
- 40
- 15
- 24
- 27
- 19
- 49
- 60
- 35
- 32
- 16
- 36
- 70
- 25
- 33
- 32
- 23
- 36
- 29
- 33
- 51
- 27
- 18
- 11
- 17
- 44
- 46
- 52
- 72
- 37
- 12
- 64
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths