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
- 1.85 − 22 =
- 2.55 − 43 =
- 3.76 − 31 =
- 4.57 − 15 =
- 5.98 − 78 =
- 6.82 − 29 =
- 7.53 − 21 =
- 8.52 − 18 =
- 9.75 − 33 =
- 10.95 − 72 =
- 11.80 − 42 =
- 12.57 − 12 =
- 13.78 − 39 =
- 14.89 − 22 =
- 15.83 − 18 =
- 16.63 − 41 =
- 17.58 − 31 =
- 18.85 − 64 =
- 19.75 − 31 =
- 20.78 − 27 =
- 21.75 − 46 =
- 22.64 − 13 =
- 23.52 − 19 =
- 24.56 − 29 =
- 25.64 − 47 =
- 26.80 − 23 =
- 27.92 − 13 =
- 28.55 − 17 =
- 29.79 − 66 =
- 30.63 − 28 =
- 31.77 − 41 =
- 32.97 − 21 =
- 33.59 − 47 =
- 34.66 − 53 =
- 35.64 − 41 =
- 36.82 − 22 =
- 37.69 − 42 =
- 38.74 − 45 =
- 39.65 − 24 =
- 40.69 − 41 =
Answer key
- 63
- 12
- 45
- 42
- 20
- 53
- 32
- 34
- 42
- 23
- 38
- 45
- 39
- 67
- 65
- 22
- 27
- 21
- 44
- 51
- 29
- 51
- 33
- 27
- 17
- 57
- 79
- 38
- 13
- 35
- 36
- 76
- 12
- 13
- 23
- 60
- 27
- 29
- 41
- 28
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths