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
- 1.80 − 51 =
- 2.63 − 22 =
- 3.60 − 49 =
- 4.78 − 41 =
- 5.55 − 21 =
- 6.95 − 62 =
- 7.83 − 39 =
- 8.74 − 14 =
- 9.54 − 44 =
- 10.54 − 38 =
- 11.58 − 15 =
- 12.56 − 43 =
- 13.80 − 63 =
- 14.53 − 43 =
- 15.77 − 54 =
- 16.72 − 27 =
- 17.66 − 38 =
- 18.63 − 16 =
- 19.78 − 23 =
- 20.65 − 27 =
- 21.75 − 64 =
- 22.97 − 35 =
- 23.78 − 43 =
- 24.95 − 78 =
- 25.98 − 61 =
- 26.79 − 66 =
- 27.65 − 14 =
- 28.71 − 25 =
- 29.62 − 35 =
- 30.94 − 37 =
- 31.97 − 71 =
- 32.52 − 25 =
- 33.89 − 48 =
- 34.58 − 31 =
- 35.60 − 18 =
- 36.70 − 53 =
- 37.56 − 42 =
- 38.67 − 21 =
- 39.62 − 31 =
- 40.90 − 47 =
Answer key
- 29
- 41
- 11
- 37
- 34
- 33
- 44
- 60
- 10
- 16
- 43
- 13
- 17
- 10
- 23
- 45
- 28
- 47
- 55
- 38
- 11
- 62
- 35
- 17
- 37
- 13
- 51
- 46
- 27
- 57
- 26
- 27
- 41
- 27
- 42
- 17
- 14
- 46
- 31
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths