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
- 1.58 − 24 =
- 2.67 − 31 =
- 3.79 − 69 =
- 4.56 − 21 =
- 5.82 − 72 =
- 6.72 − 27 =
- 7.56 − 24 =
- 8.83 − 23 =
- 9.91 − 56 =
- 10.68 − 21 =
- 11.60 − 31 =
- 12.92 − 13 =
- 13.97 − 54 =
- 14.72 − 54 =
- 15.66 − 35 =
- 16.69 − 23 =
- 17.62 − 45 =
- 18.67 − 48 =
- 19.95 − 35 =
- 20.52 − 23 =
- 21.70 − 19 =
- 22.57 − 19 =
- 23.95 − 22 =
- 24.57 − 46 =
- 25.86 − 59 =
- 26.54 − 38 =
- 27.54 − 14 =
- 28.65 − 47 =
- 29.69 − 13 =
- 30.81 − 14 =
- 31.87 − 69 =
- 32.85 − 14 =
- 33.96 − 12 =
- 34.87 − 29 =
- 35.69 − 51 =
- 36.65 − 37 =
- 37.71 − 56 =
- 38.56 − 39 =
- 39.54 − 25 =
- 40.70 − 41 =
Answer key
- 34
- 36
- 10
- 35
- 10
- 45
- 32
- 60
- 35
- 47
- 29
- 79
- 43
- 18
- 31
- 46
- 17
- 19
- 60
- 29
- 51
- 38
- 73
- 11
- 27
- 16
- 40
- 18
- 56
- 67
- 18
- 71
- 84
- 58
- 18
- 28
- 15
- 17
- 29
- 29
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths