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
- 1.68 − 38 =
- 2.77 − 31 =
- 3.59 − 45 =
- 4.98 − 47 =
- 5.60 − 27 =
- 6.79 − 49 =
- 7.60 − 13 =
- 8.68 − 39 =
- 9.64 − 18 =
- 10.79 − 61 =
- 11.65 − 37 =
- 12.59 − 18 =
- 13.82 − 24 =
- 14.70 − 14 =
- 15.55 − 13 =
- 16.91 − 73 =
- 17.72 − 61 =
- 18.82 − 35 =
- 19.52 − 28 =
- 20.59 − 25 =
- 21.64 − 33 =
- 22.65 − 18 =
- 23.92 − 51 =
- 24.75 − 65 =
- 25.64 − 53 =
- 26.85 − 21 =
- 27.53 − 31 =
- 28.85 − 71 =
- 29.77 − 53 =
- 30.53 − 33 =
- 31.94 − 22 =
- 32.95 − 61 =
- 33.65 − 28 =
- 34.62 − 32 =
- 35.98 − 13 =
- 36.94 − 32 =
- 37.91 − 18 =
- 38.52 − 38 =
- 39.72 − 51 =
- 40.56 − 33 =
Answer key
- 30
- 46
- 14
- 51
- 33
- 30
- 47
- 29
- 46
- 18
- 28
- 41
- 58
- 56
- 42
- 18
- 11
- 47
- 24
- 34
- 31
- 47
- 41
- 10
- 11
- 64
- 22
- 14
- 24
- 20
- 72
- 34
- 37
- 30
- 85
- 62
- 73
- 14
- 21
- 23
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths