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
- 1.92 − 63 =
- 2.54 − 23 =
- 3.64 − 39 =
- 4.73 − 49 =
- 5.78 − 17 =
- 6.52 − 39 =
- 7.57 − 17 =
- 8.72 − 27 =
- 9.81 − 71 =
- 10.55 − 21 =
- 11.58 − 12 =
- 12.65 − 39 =
- 13.61 − 51 =
- 14.79 − 14 =
- 15.72 − 48 =
- 16.55 − 18 =
- 17.66 − 36 =
- 18.98 − 67 =
- 19.73 − 33 =
- 20.56 − 21 =
- 21.87 − 16 =
- 22.87 − 56 =
- 23.96 − 73 =
- 24.77 − 19 =
- 25.92 − 75 =
- 26.52 − 21 =
- 27.58 − 46 =
- 28.82 − 22 =
- 29.81 − 53 =
- 30.69 − 52 =
- 31.88 − 61 =
- 32.57 − 16 =
- 33.61 − 25 =
- 34.65 − 26 =
- 35.91 − 42 =
- 36.86 − 33 =
- 37.71 − 53 =
- 38.77 − 61 =
- 39.72 − 18 =
- 40.57 − 15 =
Answer key
- 29
- 31
- 25
- 24
- 61
- 13
- 40
- 45
- 10
- 34
- 46
- 26
- 10
- 65
- 24
- 37
- 30
- 31
- 40
- 35
- 71
- 31
- 23
- 58
- 17
- 31
- 12
- 60
- 28
- 17
- 27
- 41
- 36
- 39
- 49
- 53
- 18
- 16
- 54
- 42
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths