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
- 1.59 − 15 =
- 2.83 − 33 =
- 3.94 − 77 =
- 4.93 − 41 =
- 5.66 − 43 =
- 6.77 − 27 =
- 7.74 − 22 =
- 8.99 − 16 =
- 9.56 − 28 =
- 10.62 − 34 =
- 11.63 − 51 =
- 12.69 − 13 =
- 13.72 − 22 =
- 14.59 − 25 =
- 15.75 − 55 =
- 16.80 − 57 =
- 17.82 − 13 =
- 18.86 − 32 =
- 19.79 − 18 =
- 20.72 − 24 =
- 21.86 − 64 =
- 22.70 − 29 =
- 23.97 − 67 =
- 24.83 − 44 =
- 25.89 − 32 =
- 26.89 − 72 =
- 27.97 − 19 =
- 28.63 − 18 =
- 29.55 − 39 =
- 30.84 − 48 =
- 31.89 − 38 =
- 32.60 − 16 =
- 33.74 − 12 =
- 34.53 − 23 =
- 35.58 − 45 =
- 36.65 − 17 =
- 37.59 − 36 =
- 38.93 − 46 =
- 39.98 − 31 =
- 40.65 − 51 =
Answer key
- 44
- 50
- 17
- 52
- 23
- 50
- 52
- 83
- 28
- 28
- 12
- 56
- 50
- 34
- 20
- 23
- 69
- 54
- 61
- 48
- 22
- 41
- 30
- 39
- 57
- 17
- 78
- 45
- 16
- 36
- 51
- 44
- 62
- 30
- 13
- 48
- 23
- 47
- 67
- 14
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths