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
- 1.83 − 66 =
- 2.87 − 31 =
- 3.56 − 19 =
- 4.65 − 38 =
- 5.62 − 28 =
- 6.55 − 34 =
- 7.85 − 41 =
- 8.54 − 43 =
- 9.63 − 16 =
- 10.63 − 52 =
- 11.69 − 21 =
- 12.77 − 52 =
- 13.61 − 31 =
- 14.96 − 36 =
- 15.87 − 21 =
- 16.79 − 29 =
- 17.82 − 36 =
- 18.81 − 62 =
- 19.56 − 44 =
- 20.63 − 35 =
- 21.73 − 35 =
- 22.88 − 76 =
- 23.76 − 23 =
- 24.74 − 38 =
- 25.76 − 25 =
- 26.77 − 67 =
- 27.52 − 31 =
- 28.87 − 36 =
- 29.98 − 81 =
- 30.94 − 36 =
- 31.94 − 63 =
- 32.77 − 63 =
- 33.53 − 13 =
- 34.53 − 38 =
- 35.52 − 12 =
- 36.89 − 16 =
- 37.53 − 26 =
- 38.99 − 76 =
- 39.86 − 23 =
- 40.62 − 31 =
Answer key
- 17
- 56
- 37
- 27
- 34
- 21
- 44
- 11
- 47
- 11
- 48
- 25
- 30
- 60
- 66
- 50
- 46
- 19
- 12
- 28
- 38
- 12
- 53
- 36
- 51
- 10
- 21
- 51
- 17
- 58
- 31
- 14
- 40
- 15
- 40
- 73
- 27
- 23
- 63
- 31
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths