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
- 1.77 − 65 =
- 2.78 − 17 =
- 3.71 − 38 =
- 4.79 − 41 =
- 5.82 − 27 =
- 6.71 − 35 =
- 7.71 − 28 =
- 8.83 − 59 =
- 9.56 − 36 =
- 10.52 − 38 =
- 11.70 − 52 =
- 12.64 − 33 =
- 13.55 − 12 =
- 14.85 − 49 =
- 15.63 − 16 =
- 16.84 − 31 =
- 17.81 − 13 =
- 18.92 − 76 =
- 19.65 − 14 =
- 20.60 − 37 =
- 21.79 − 38 =
- 22.87 − 24 =
- 23.93 − 52 =
- 24.56 − 19 =
- 25.53 − 22 =
- 26.77 − 54 =
- 27.58 − 18 =
- 28.83 − 41 =
- 29.94 − 72 =
- 30.86 − 31 =
- 31.90 − 57 =
- 32.82 − 46 =
- 33.53 − 24 =
- 34.79 − 31 =
- 35.92 − 29 =
- 36.64 − 36 =
- 37.77 − 64 =
- 38.61 − 14 =
- 39.64 − 47 =
- 40.67 − 22 =
Answer key
- 12
- 61
- 33
- 38
- 55
- 36
- 43
- 24
- 20
- 14
- 18
- 31
- 43
- 36
- 47
- 53
- 68
- 16
- 51
- 23
- 41
- 63
- 41
- 37
- 31
- 23
- 40
- 42
- 22
- 55
- 33
- 36
- 29
- 48
- 63
- 28
- 13
- 47
- 17
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths