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
- 1.61 − 42 =
- 2.77 − 37 =
- 3.53 − 41 =
- 4.66 − 19 =
- 5.52 − 37 =
- 6.84 − 28 =
- 7.69 − 35 =
- 8.99 − 41 =
- 9.79 − 26 =
- 10.53 − 36 =
- 11.89 − 64 =
- 12.62 − 14 =
- 13.56 − 28 =
- 14.67 − 47 =
- 15.91 − 81 =
- 16.52 − 27 =
- 17.81 − 23 =
- 18.81 − 31 =
- 19.86 − 73 =
- 20.57 − 42 =
- 21.69 − 13 =
- 22.90 − 56 =
- 23.78 − 21 =
- 24.90 − 49 =
- 25.53 − 17 =
- 26.53 − 23 =
- 27.97 − 19 =
- 28.65 − 23 =
- 29.55 − 31 =
- 30.96 − 83 =
- 31.69 − 56 =
- 32.83 − 61 =
- 33.96 − 72 =
- 34.88 − 31 =
- 35.71 − 57 =
- 36.87 − 31 =
- 37.94 − 43 =
- 38.52 − 35 =
- 39.95 − 54 =
- 40.75 − 43 =
Answer key
- 19
- 40
- 12
- 47
- 15
- 56
- 34
- 58
- 53
- 17
- 25
- 48
- 28
- 20
- 10
- 25
- 58
- 50
- 13
- 15
- 56
- 34
- 57
- 41
- 36
- 30
- 78
- 42
- 24
- 13
- 13
- 22
- 24
- 57
- 14
- 56
- 51
- 17
- 41
- 32
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths