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
- 1.61 − 12 =
- 2.69 − 16 =
- 3.65 − 45 =
- 4.85 − 67 =
- 5.87 − 69 =
- 6.87 − 72 =
- 7.54 − 23 =
- 8.66 − 23 =
- 9.52 − 36 =
- 10.66 − 53 =
- 11.61 − 29 =
- 12.91 − 35 =
- 13.97 − 17 =
- 14.77 − 43 =
- 15.53 − 28 =
- 16.72 − 52 =
- 17.99 − 21 =
- 18.80 − 36 =
- 19.65 − 35 =
- 20.71 − 22 =
- 21.98 − 66 =
- 22.59 − 28 =
- 23.65 − 12 =
- 24.81 − 14 =
- 25.97 − 38 =
- 26.59 − 21 =
- 27.91 − 74 =
- 28.76 − 14 =
- 29.98 − 78 =
- 30.53 − 31 =
- 31.84 − 27 =
- 32.54 − 39 =
- 33.53 − 12 =
- 34.83 − 71 =
- 35.71 − 55 =
- 36.71 − 17 =
- 37.69 − 23 =
- 38.66 − 27 =
- 39.56 − 25 =
- 40.54 − 32 =
Answer key
- 49
- 53
- 20
- 18
- 18
- 15
- 31
- 43
- 16
- 13
- 32
- 56
- 80
- 34
- 25
- 20
- 78
- 44
- 30
- 49
- 32
- 31
- 53
- 67
- 59
- 38
- 17
- 62
- 20
- 22
- 57
- 15
- 41
- 12
- 16
- 54
- 46
- 39
- 31
- 22
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths