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
- 1.80 − 42 =
- 2.57 − 23 =
- 3.65 − 32 =
- 4.60 − 37 =
- 5.59 − 34 =
- 6.84 − 54 =
- 7.62 − 21 =
- 8.90 − 41 =
- 9.82 − 21 =
- 10.68 − 46 =
- 11.80 − 32 =
- 12.66 − 53 =
- 13.68 − 54 =
- 14.56 − 18 =
- 15.56 − 38 =
- 16.70 − 17 =
- 17.84 − 16 =
- 18.79 − 45 =
- 19.58 − 28 =
- 20.93 − 82 =
- 21.56 − 12 =
- 22.54 − 43 =
- 23.88 − 67 =
- 24.82 − 22 =
- 25.52 − 41 =
- 26.95 − 12 =
- 27.79 − 16 =
- 28.71 − 23 =
- 29.68 − 14 =
- 30.65 − 43 =
- 31.84 − 22 =
- 32.65 − 31 =
- 33.91 − 66 =
- 34.90 − 46 =
- 35.65 − 51 =
- 36.79 − 49 =
- 37.86 − 18 =
- 38.98 − 46 =
- 39.73 − 54 =
- 40.79 − 32 =
Answer key
- 38
- 34
- 33
- 23
- 25
- 30
- 41
- 49
- 61
- 22
- 48
- 13
- 14
- 38
- 18
- 53
- 68
- 34
- 30
- 11
- 44
- 11
- 21
- 60
- 11
- 83
- 63
- 48
- 54
- 22
- 62
- 34
- 25
- 44
- 14
- 30
- 68
- 52
- 19
- 47
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths