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
- 1.54 − 12 =
- 2.95 − 45 =
- 3.59 − 31 =
- 4.56 − 41 =
- 5.63 − 33 =
- 6.59 − 16 =
- 7.63 − 48 =
- 8.65 − 13 =
- 9.79 − 49 =
- 10.53 − 36 =
- 11.77 − 59 =
- 12.77 − 33 =
- 13.97 − 72 =
- 14.84 − 65 =
- 15.95 − 36 =
- 16.60 − 41 =
- 17.99 − 81 =
- 18.73 − 49 =
- 19.79 − 42 =
- 20.59 − 26 =
- 21.76 − 24 =
- 22.97 − 25 =
- 23.71 − 18 =
- 24.72 − 31 =
- 25.52 − 16 =
- 26.71 − 23 =
- 27.73 − 51 =
- 28.65 − 55 =
- 29.99 − 27 =
- 30.60 − 21 =
- 31.87 − 57 =
- 32.58 − 22 =
- 33.83 − 31 =
- 34.55 − 21 =
- 35.87 − 53 =
- 36.56 − 44 =
- 37.65 − 16 =
- 38.74 − 31 =
- 39.66 − 52 =
- 40.58 − 13 =
Answer key
- 42
- 50
- 28
- 15
- 30
- 43
- 15
- 52
- 30
- 17
- 18
- 44
- 25
- 19
- 59
- 19
- 18
- 24
- 37
- 33
- 52
- 72
- 53
- 41
- 36
- 48
- 22
- 10
- 72
- 39
- 30
- 36
- 52
- 34
- 34
- 12
- 49
- 43
- 14
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths