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
- 1.63 − 23 =
- 2.55 − 36 =
- 3.79 − 48 =
- 4.94 − 82 =
- 5.94 − 29 =
- 6.83 − 17 =
- 7.56 − 41 =
- 8.91 − 44 =
- 9.81 − 22 =
- 10.83 − 21 =
- 11.78 − 52 =
- 12.94 − 38 =
- 13.93 − 77 =
- 14.98 − 54 =
- 15.68 − 51 =
- 16.80 − 25 =
- 17.66 − 21 =
- 18.87 − 45 =
- 19.60 − 35 =
- 20.76 − 47 =
- 21.67 − 47 =
- 22.56 − 35 =
- 23.60 − 26 =
- 24.54 − 33 =
- 25.77 − 51 =
- 26.80 − 65 =
- 27.58 − 31 =
- 28.72 − 62 =
- 29.53 − 39 =
- 30.83 − 16 =
- 31.54 − 16 =
- 32.61 − 41 =
- 33.54 − 31 =
- 34.96 − 27 =
- 35.79 − 55 =
- 36.78 − 19 =
- 37.58 − 38 =
- 38.82 − 27 =
- 39.64 − 27 =
- 40.80 − 19 =
Answer key
- 40
- 19
- 31
- 12
- 65
- 66
- 15
- 47
- 59
- 62
- 26
- 56
- 16
- 44
- 17
- 55
- 45
- 42
- 25
- 29
- 20
- 21
- 34
- 21
- 26
- 15
- 27
- 10
- 14
- 67
- 38
- 20
- 23
- 69
- 24
- 59
- 20
- 55
- 37
- 61
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths