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
- 1.68 − 17 =
- 2.54 − 42 =
- 3.79 − 21 =
- 4.66 − 19 =
- 5.53 − 19 =
- 6.67 − 16 =
- 7.53 − 23 =
- 8.91 − 68 =
- 9.93 − 29 =
- 10.81 − 41 =
- 11.61 − 28 =
- 12.54 − 13 =
- 13.63 − 34 =
- 14.76 − 23 =
- 15.78 − 38 =
- 16.78 − 29 =
- 17.67 − 13 =
- 18.63 − 37 =
- 19.69 − 45 =
- 20.86 − 72 =
- 21.87 − 56 =
- 22.94 − 63 =
- 23.61 − 22 =
- 24.91 − 34 =
- 25.62 − 44 =
- 26.57 − 22 =
- 27.63 − 35 =
- 28.58 − 39 =
- 29.95 − 44 =
- 30.80 − 62 =
- 31.58 − 24 =
- 32.87 − 45 =
- 33.57 − 13 =
- 34.73 − 46 =
- 35.92 − 82 =
- 36.78 − 31 =
- 37.82 − 37 =
- 38.64 − 16 =
- 39.89 − 27 =
- 40.98 − 16 =
Answer key
- 51
- 12
- 58
- 47
- 34
- 51
- 30
- 23
- 64
- 40
- 33
- 41
- 29
- 53
- 40
- 49
- 54
- 26
- 24
- 14
- 31
- 31
- 39
- 57
- 18
- 35
- 28
- 19
- 51
- 18
- 34
- 42
- 44
- 27
- 10
- 47
- 45
- 48
- 62
- 82
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths