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
- 1.90 − 26 =
- 2.59 − 39 =
- 3.84 − 14 =
- 4.99 − 75 =
- 5.96 − 81 =
- 6.57 − 31 =
- 7.72 − 31 =
- 8.83 − 29 =
- 9.71 − 57 =
- 10.62 − 28 =
- 11.75 − 41 =
- 12.89 − 41 =
- 13.84 − 51 =
- 14.93 − 43 =
- 15.56 − 36 =
- 16.69 − 49 =
- 17.71 − 51 =
- 18.60 − 23 =
- 19.93 − 56 =
- 20.69 − 29 =
- 21.98 − 71 =
- 22.95 − 18 =
- 23.60 − 46 =
- 24.93 − 21 =
- 25.60 − 31 =
- 26.68 − 16 =
- 27.60 − 16 =
- 28.61 − 35 =
- 29.75 − 24 =
- 30.91 − 64 =
- 31.90 − 59 =
- 32.55 − 37 =
- 33.94 − 17 =
- 34.62 − 12 =
- 35.93 − 29 =
- 36.65 − 31 =
- 37.83 − 19 =
- 38.93 − 59 =
- 39.90 − 46 =
- 40.87 − 75 =
Answer key
- 64
- 20
- 70
- 24
- 15
- 26
- 41
- 54
- 14
- 34
- 34
- 48
- 33
- 50
- 20
- 20
- 20
- 37
- 37
- 40
- 27
- 77
- 14
- 72
- 29
- 52
- 44
- 26
- 51
- 27
- 31
- 18
- 77
- 50
- 64
- 34
- 64
- 34
- 44
- 12
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths