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
- 1.92 − 23 =
- 2.86 − 45 =
- 3.92 − 68 =
- 4.93 − 51 =
- 5.72 − 24 =
- 6.79 − 27 =
- 7.75 − 37 =
- 8.75 − 39 =
- 9.83 − 22 =
- 10.79 − 21 =
- 11.95 − 29 =
- 12.53 − 25 =
- 13.86 − 76 =
- 14.87 − 59 =
- 15.54 − 44 =
- 16.54 − 31 =
- 17.83 − 12 =
- 18.56 − 38 =
- 19.88 − 51 =
- 20.91 − 25 =
- 21.93 − 55 =
- 22.83 − 13 =
- 23.67 − 21 =
- 24.72 − 31 =
- 25.80 − 27 =
- 26.95 − 38 =
- 27.70 − 31 =
- 28.95 − 81 =
- 29.78 − 52 =
- 30.61 − 34 =
- 31.69 − 51 =
- 32.98 − 86 =
- 33.83 − 59 =
- 34.98 − 38 =
- 35.88 − 27 =
- 36.54 − 23 =
- 37.62 − 34 =
- 38.82 − 43 =
- 39.92 − 41 =
- 40.62 − 41 =
Answer key
- 69
- 41
- 24
- 42
- 48
- 52
- 38
- 36
- 61
- 58
- 66
- 28
- 10
- 28
- 10
- 23
- 71
- 18
- 37
- 66
- 38
- 70
- 46
- 41
- 53
- 57
- 39
- 14
- 26
- 27
- 18
- 12
- 24
- 60
- 61
- 31
- 28
- 39
- 51
- 21
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths