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
- 1.86 − 21 =
- 2.73 − 48 =
- 3.62 − 22 =
- 4.82 − 51 =
- 5.68 − 51 =
- 6.90 − 51 =
- 7.99 − 21 =
- 8.94 − 73 =
- 9.83 − 35 =
- 10.72 − 27 =
- 11.91 − 61 =
- 12.61 − 18 =
- 13.94 − 47 =
- 14.52 − 32 =
- 15.60 − 46 =
- 16.68 − 14 =
- 17.85 − 66 =
- 18.64 − 36 =
- 19.81 − 24 =
- 20.65 − 47 =
- 21.81 − 66 =
- 22.83 − 25 =
- 23.66 − 13 =
- 24.77 − 63 =
- 25.62 − 25 =
- 26.56 − 12 =
- 27.86 − 32 =
- 28.89 − 32 =
- 29.69 − 44 =
- 30.62 − 17 =
- 31.52 − 12 =
- 32.94 − 61 =
- 33.82 − 12 =
- 34.89 − 33 =
- 35.87 − 71 =
- 36.95 − 72 =
- 37.71 − 58 =
- 38.56 − 13 =
- 39.97 − 58 =
- 40.68 − 22 =
Answer key
- 65
- 25
- 40
- 31
- 17
- 39
- 78
- 21
- 48
- 45
- 30
- 43
- 47
- 20
- 14
- 54
- 19
- 28
- 57
- 18
- 15
- 58
- 53
- 14
- 37
- 44
- 54
- 57
- 25
- 45
- 40
- 33
- 70
- 56
- 16
- 23
- 13
- 43
- 39
- 46
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths