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
- 1.74 − 15 =
- 2.73 − 22 =
- 3.52 − 16 =
- 4.52 − 33 =
- 5.91 − 58 =
- 6.75 − 25 =
- 7.81 − 61 =
- 8.73 − 13 =
- 9.52 − 23 =
- 10.73 − 47 =
- 11.79 − 38 =
- 12.64 − 24 =
- 13.98 − 43 =
- 14.82 − 28 =
- 15.56 − 28 =
- 16.57 − 23 =
- 17.55 − 15 =
- 18.67 − 33 =
- 19.85 − 17 =
- 20.56 − 13 =
- 21.52 − 21 =
- 22.55 − 12 =
- 23.59 − 41 =
- 24.85 − 47 =
- 25.70 − 46 =
- 26.54 − 23 =
- 27.81 − 26 =
- 28.97 − 37 =
- 29.79 − 27 =
- 30.57 − 35 =
- 31.54 − 42 =
- 32.69 − 21 =
- 33.62 − 24 =
- 34.60 − 22 =
- 35.68 − 33 =
- 36.94 − 25 =
- 37.81 − 18 =
- 38.91 − 28 =
- 39.68 − 39 =
- 40.98 − 71 =
Answer key
- 59
- 51
- 36
- 19
- 33
- 50
- 20
- 60
- 29
- 26
- 41
- 40
- 55
- 54
- 28
- 34
- 40
- 34
- 68
- 43
- 31
- 43
- 18
- 38
- 24
- 31
- 55
- 60
- 52
- 22
- 12
- 48
- 38
- 38
- 35
- 69
- 63
- 63
- 29
- 27
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths