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
- 1.70 − 42 =
- 2.56 − 12 =
- 3.53 − 25 =
- 4.84 − 41 =
- 5.56 − 27 =
- 6.60 − 38 =
- 7.92 − 31 =
- 8.91 − 17 =
- 9.79 − 21 =
- 10.53 − 21 =
- 11.58 − 46 =
- 12.77 − 48 =
- 13.99 − 78 =
- 14.66 − 54 =
- 15.88 − 12 =
- 16.90 − 21 =
- 17.89 − 16 =
- 18.95 − 22 =
- 19.80 − 51 =
- 20.87 − 58 =
- 21.57 − 16 =
- 22.74 − 23 =
- 23.61 − 41 =
- 24.97 − 21 =
- 25.66 − 35 =
- 26.58 − 38 =
- 27.84 − 66 =
- 28.80 − 61 =
- 29.56 − 22 =
- 30.85 − 31 =
- 31.67 − 44 =
- 32.64 − 47 =
- 33.83 − 38 =
- 34.92 − 53 =
- 35.59 − 25 =
- 36.67 − 33 =
- 37.70 − 21 =
- 38.98 − 28 =
- 39.75 − 22 =
- 40.58 − 44 =
Answer key
- 28
- 44
- 28
- 43
- 29
- 22
- 61
- 74
- 58
- 32
- 12
- 29
- 21
- 12
- 76
- 69
- 73
- 73
- 29
- 29
- 41
- 51
- 20
- 76
- 31
- 20
- 18
- 19
- 34
- 54
- 23
- 17
- 45
- 39
- 34
- 34
- 49
- 70
- 53
- 14
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths