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
- 1.81 − 24 =
- 2.79 − 22 =
- 3.78 − 54 =
- 4.54 − 41 =
- 5.63 − 41 =
- 6.93 − 47 =
- 7.73 − 51 =
- 8.96 − 12 =
- 9.61 − 12 =
- 10.63 − 21 =
- 11.60 − 39 =
- 12.90 − 62 =
- 13.61 − 51 =
- 14.98 − 31 =
- 15.52 − 23 =
- 16.94 − 65 =
- 17.67 − 36 =
- 18.72 − 38 =
- 19.60 − 19 =
- 20.71 − 29 =
- 21.55 − 15 =
- 22.58 − 31 =
- 23.60 − 29 =
- 24.52 − 19 =
- 25.70 − 58 =
- 26.97 − 84 =
- 27.80 − 53 =
- 28.64 − 49 =
- 29.52 − 18 =
- 30.77 − 22 =
- 31.82 − 55 =
- 32.77 − 59 =
- 33.83 − 41 =
- 34.63 − 51 =
- 35.90 − 56 =
- 36.78 − 49 =
- 37.70 − 44 =
- 38.88 − 49 =
- 39.87 − 45 =
- 40.81 − 12 =
Answer key
- 57
- 57
- 24
- 13
- 22
- 46
- 22
- 84
- 49
- 42
- 21
- 28
- 10
- 67
- 29
- 29
- 31
- 34
- 41
- 42
- 40
- 27
- 31
- 33
- 12
- 13
- 27
- 15
- 34
- 55
- 27
- 18
- 42
- 12
- 34
- 29
- 26
- 39
- 42
- 69
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths