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
- 1.62 − 15 =
- 2.79 − 31 =
- 3.99 − 82 =
- 4.89 − 74 =
- 5.67 − 36 =
- 6.67 − 31 =
- 7.83 − 23 =
- 8.52 − 37 =
- 9.88 − 75 =
- 10.80 − 13 =
- 11.85 − 12 =
- 12.56 − 13 =
- 13.77 − 52 =
- 14.76 − 36 =
- 15.88 − 21 =
- 16.71 − 43 =
- 17.81 − 51 =
- 18.83 − 37 =
- 19.94 − 18 =
- 20.78 − 14 =
- 21.76 − 61 =
- 22.63 − 53 =
- 23.52 − 21 =
- 24.55 − 39 =
- 25.54 − 27 =
- 26.90 − 49 =
- 27.82 − 24 =
- 28.70 − 25 =
- 29.52 − 29 =
- 30.76 − 54 =
- 31.65 − 29 =
- 32.63 − 17 =
- 33.79 − 45 =
- 34.86 − 14 =
- 35.96 − 13 =
- 36.81 − 41 =
- 37.66 − 35 =
- 38.94 − 15 =
- 39.66 − 29 =
- 40.74 − 43 =
Answer key
- 47
- 48
- 17
- 15
- 31
- 36
- 60
- 15
- 13
- 67
- 73
- 43
- 25
- 40
- 67
- 28
- 30
- 46
- 76
- 64
- 15
- 10
- 31
- 16
- 27
- 41
- 58
- 45
- 23
- 22
- 36
- 46
- 34
- 72
- 83
- 40
- 31
- 79
- 37
- 31
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths