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
- 1.60 − 13 =
- 2.69 − 51 =
- 3.82 − 43 =
- 4.57 − 31 =
- 5.57 − 39 =
- 6.86 − 55 =
- 7.81 − 67 =
- 8.84 − 31 =
- 9.54 − 13 =
- 10.62 − 44 =
- 11.95 − 18 =
- 12.94 − 74 =
- 13.61 − 44 =
- 14.57 − 33 =
- 15.96 − 12 =
- 16.71 − 21 =
- 17.82 − 35 =
- 18.99 − 41 =
- 19.94 − 55 =
- 20.65 − 34 =
- 21.59 − 31 =
- 22.62 − 23 =
- 23.52 − 41 =
- 24.70 − 53 =
- 25.55 − 37 =
- 26.60 − 36 =
- 27.73 − 35 =
- 28.91 − 57 =
- 29.86 − 34 =
- 30.65 − 12 =
- 31.72 − 51 =
- 32.78 − 42 =
- 33.87 − 29 =
- 34.74 − 46 =
- 35.73 − 42 =
- 36.97 − 67 =
- 37.89 − 31 =
- 38.79 − 26 =
- 39.92 − 21 =
- 40.70 − 21 =
Answer key
- 47
- 18
- 39
- 26
- 18
- 31
- 14
- 53
- 41
- 18
- 77
- 20
- 17
- 24
- 84
- 50
- 47
- 58
- 39
- 31
- 28
- 39
- 11
- 17
- 18
- 24
- 38
- 34
- 52
- 53
- 21
- 36
- 58
- 28
- 31
- 30
- 58
- 53
- 71
- 49
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths