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
- 1.81 − 18 =
- 2.91 − 31 =
- 3.59 − 41 =
- 4.61 − 51 =
- 5.85 − 21 =
- 6.96 − 31 =
- 7.85 − 18 =
- 8.73 − 18 =
- 9.53 − 31 =
- 10.57 − 39 =
- 11.79 − 27 =
- 12.61 − 26 =
- 13.92 − 62 =
- 14.94 − 56 =
- 15.89 − 75 =
- 16.72 − 18 =
- 17.85 − 35 =
- 18.86 − 21 =
- 19.57 − 16 =
- 20.88 − 21 =
- 21.59 − 47 =
- 22.81 − 25 =
- 23.77 − 41 =
- 24.60 − 39 =
- 25.55 − 45 =
- 26.98 − 15 =
- 27.99 − 32 =
- 28.54 − 21 =
- 29.78 − 52 =
- 30.56 − 12 =
- 31.84 − 27 =
- 32.83 − 71 =
- 33.78 − 36 =
- 34.67 − 18 =
- 35.99 − 54 =
- 36.56 − 18 =
- 37.60 − 46 =
- 38.62 − 45 =
- 39.62 − 19 =
- 40.79 − 38 =
Answer key
- 63
- 60
- 18
- 10
- 64
- 65
- 67
- 55
- 22
- 18
- 52
- 35
- 30
- 38
- 14
- 54
- 50
- 65
- 41
- 67
- 12
- 56
- 36
- 21
- 10
- 83
- 67
- 33
- 26
- 44
- 57
- 12
- 42
- 49
- 45
- 38
- 14
- 17
- 43
- 41
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths