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
- 1.86 − 31 =
- 2.74 − 19 =
- 3.60 − 25 =
- 4.91 − 25 =
- 5.98 − 48 =
- 6.82 − 41 =
- 7.59 − 49 =
- 8.89 − 56 =
- 9.58 − 18 =
- 10.59 − 28 =
- 11.82 − 72 =
- 12.62 − 23 =
- 13.57 − 17 =
- 14.76 − 54 =
- 15.54 − 18 =
- 16.73 − 41 =
- 17.91 − 14 =
- 18.67 − 33 =
- 19.59 − 26 =
- 20.90 − 79 =
- 21.90 − 58 =
- 22.80 − 21 =
- 23.80 − 36 =
- 24.55 − 31 =
- 25.93 − 51 =
- 26.70 − 18 =
- 27.56 − 13 =
- 28.76 − 31 =
- 29.56 − 31 =
- 30.80 − 32 =
- 31.52 − 23 =
- 32.93 − 31 =
- 33.84 − 25 =
- 34.80 − 61 =
- 35.93 − 56 =
- 36.83 − 41 =
- 37.64 − 14 =
- 38.89 − 67 =
- 39.76 − 36 =
- 40.81 − 21 =
Answer key
- 55
- 55
- 35
- 66
- 50
- 41
- 10
- 33
- 40
- 31
- 10
- 39
- 40
- 22
- 36
- 32
- 77
- 34
- 33
- 11
- 32
- 59
- 44
- 24
- 42
- 52
- 43
- 45
- 25
- 48
- 29
- 62
- 59
- 19
- 37
- 42
- 50
- 22
- 40
- 60
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths