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 − 42 =
- 2.59 − 25 =
- 3.99 − 21 =
- 4.93 − 25 =
- 5.90 − 69 =
- 6.94 − 84 =
- 7.65 − 27 =
- 8.95 − 41 =
- 9.73 − 12 =
- 10.73 − 59 =
- 11.64 − 42 =
- 12.82 − 67 =
- 13.67 − 16 =
- 14.71 − 55 =
- 15.99 − 17 =
- 16.80 − 29 =
- 17.89 − 26 =
- 18.97 − 77 =
- 19.57 − 16 =
- 20.95 − 12 =
- 21.88 − 33 =
- 22.86 − 33 =
- 23.96 − 16 =
- 24.92 − 27 =
- 25.59 − 18 =
- 26.93 − 33 =
- 27.65 − 12 =
- 28.87 − 43 =
- 29.92 − 68 =
- 30.89 − 54 =
- 31.81 − 47 =
- 32.69 − 49 =
- 33.88 − 58 =
- 34.54 − 26 =
- 35.87 − 65 =
- 36.62 − 47 =
- 37.97 − 81 =
- 38.61 − 49 =
- 39.75 − 29 =
- 40.92 − 49 =
Answer key
- 19
- 34
- 78
- 68
- 21
- 10
- 38
- 54
- 61
- 14
- 22
- 15
- 51
- 16
- 82
- 51
- 63
- 20
- 41
- 83
- 55
- 53
- 80
- 65
- 41
- 60
- 53
- 44
- 24
- 35
- 34
- 20
- 30
- 28
- 22
- 15
- 16
- 12
- 46
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths