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
- 1.57 − 21 =
- 2.73 − 13 =
- 3.66 − 24 =
- 4.76 − 26 =
- 5.62 − 23 =
- 6.79 − 22 =
- 7.81 − 53 =
- 8.72 − 23 =
- 9.59 − 32 =
- 10.89 − 57 =
- 11.78 − 37 =
- 12.82 − 17 =
- 13.84 − 61 =
- 14.80 − 64 =
- 15.58 − 32 =
- 16.52 − 21 =
- 17.66 − 25 =
- 18.57 − 17 =
- 19.70 − 39 =
- 20.76 − 23 =
- 21.66 − 36 =
- 22.68 − 31 =
- 23.73 − 34 =
- 24.97 − 67 =
- 25.93 − 41 =
- 26.86 − 72 =
- 27.63 − 24 =
- 28.61 − 32 =
- 29.75 − 26 =
- 30.93 − 26 =
- 31.90 − 37 =
- 32.56 − 25 =
- 33.67 − 22 =
- 34.96 − 37 =
- 35.52 − 32 =
- 36.55 − 22 =
- 37.71 − 23 =
- 38.91 − 55 =
- 39.68 − 41 =
- 40.95 − 39 =
Answer key
- 36
- 60
- 42
- 50
- 39
- 57
- 28
- 49
- 27
- 32
- 41
- 65
- 23
- 16
- 26
- 31
- 41
- 40
- 31
- 53
- 30
- 37
- 39
- 30
- 52
- 14
- 39
- 29
- 49
- 67
- 53
- 31
- 45
- 59
- 20
- 33
- 48
- 36
- 27
- 56
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths