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 − 21 =
- 2.95 − 33 =
- 3.89 − 55 =
- 4.70 − 13 =
- 5.88 − 21 =
- 6.92 − 22 =
- 7.85 − 13 =
- 8.87 − 63 =
- 9.92 − 45 =
- 10.59 − 46 =
- 11.88 − 46 =
- 12.81 − 31 =
- 13.87 − 56 =
- 14.93 − 37 =
- 15.85 − 45 =
- 16.56 − 32 =
- 17.81 − 55 =
- 18.72 − 21 =
- 19.98 − 18 =
- 20.62 − 13 =
- 21.80 − 21 =
- 22.69 − 17 =
- 23.62 − 21 =
- 24.60 − 16 =
- 25.83 − 14 =
- 26.75 − 53 =
- 27.73 − 46 =
- 28.57 − 43 =
- 29.86 − 58 =
- 30.69 − 51 =
- 31.69 − 38 =
- 32.59 − 14 =
- 33.86 − 67 =
- 34.93 − 23 =
- 35.83 − 57 =
- 36.58 − 14 =
- 37.86 − 39 =
- 38.78 − 65 =
- 39.86 − 41 =
- 40.59 − 12 =
Answer key
- 60
- 62
- 34
- 57
- 67
- 70
- 72
- 24
- 47
- 13
- 42
- 50
- 31
- 56
- 40
- 24
- 26
- 51
- 80
- 49
- 59
- 52
- 41
- 44
- 69
- 22
- 27
- 14
- 28
- 18
- 31
- 45
- 19
- 70
- 26
- 44
- 47
- 13
- 45
- 47
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths