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
- 1.71 − 39 =
- 2.68 − 55 =
- 3.72 − 21 =
- 4.53 − 15 =
- 5.74 − 12 =
- 6.88 − 22 =
- 7.53 − 21 =
- 8.72 − 31 =
- 9.52 − 22 =
- 10.78 − 51 =
- 11.98 − 37 =
- 12.83 − 32 =
- 13.87 − 46 =
- 14.88 − 56 =
- 15.77 − 51 =
- 16.62 − 15 =
- 17.58 − 32 =
- 18.61 − 41 =
- 19.84 − 35 =
- 20.69 − 36 =
- 21.86 − 53 =
- 22.59 − 21 =
- 23.70 − 26 =
- 24.99 − 31 =
- 25.83 − 52 =
- 26.96 − 51 =
- 27.66 − 52 =
- 28.65 − 18 =
- 29.84 − 62 =
- 30.56 − 34 =
- 31.88 − 43 =
- 32.56 − 32 =
- 33.64 − 26 =
- 34.55 − 16 =
- 35.56 − 39 =
- 36.60 − 26 =
- 37.87 − 19 =
- 38.71 − 32 =
- 39.69 − 39 =
- 40.97 − 82 =
Answer key
- 32
- 13
- 51
- 38
- 62
- 66
- 32
- 41
- 30
- 27
- 61
- 51
- 41
- 32
- 26
- 47
- 26
- 20
- 49
- 33
- 33
- 38
- 44
- 68
- 31
- 45
- 14
- 47
- 22
- 22
- 45
- 24
- 38
- 39
- 17
- 34
- 68
- 39
- 30
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths