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
- 1.85 − 21 =
- 2.60 − 13 =
- 3.62 − 27 =
- 4.96 − 48 =
- 5.90 − 16 =
- 6.90 − 29 =
- 7.59 − 44 =
- 8.61 − 18 =
- 9.59 − 38 =
- 10.72 − 22 =
- 11.59 − 36 =
- 12.83 − 46 =
- 13.81 − 56 =
- 14.82 − 51 =
- 15.99 − 23 =
- 16.76 − 61 =
- 17.89 − 52 =
- 18.72 − 21 =
- 19.52 − 14 =
- 20.79 − 67 =
- 21.88 − 78 =
- 22.64 − 19 =
- 23.69 − 51 =
- 24.84 − 18 =
- 25.62 − 41 =
- 26.61 − 32 =
- 27.91 − 46 =
- 28.78 − 24 =
- 29.57 − 43 =
- 30.55 − 39 =
- 31.76 − 41 =
- 32.93 − 32 =
- 33.55 − 21 =
- 34.57 − 38 =
- 35.64 − 27 =
- 36.97 − 73 =
- 37.55 − 44 =
- 38.89 − 29 =
- 39.78 − 13 =
- 40.81 − 45 =
Answer key
- 64
- 47
- 35
- 48
- 74
- 61
- 15
- 43
- 21
- 50
- 23
- 37
- 25
- 31
- 76
- 15
- 37
- 51
- 38
- 12
- 10
- 45
- 18
- 66
- 21
- 29
- 45
- 54
- 14
- 16
- 35
- 61
- 34
- 19
- 37
- 24
- 11
- 60
- 65
- 36
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths