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
- 1.88 − 31 =
- 2.57 − 24 =
- 3.97 − 31 =
- 4.81 − 16 =
- 5.71 − 51 =
- 6.65 − 18 =
- 7.83 − 64 =
- 8.52 − 39 =
- 9.95 − 21 =
- 10.84 − 22 =
- 11.65 − 13 =
- 12.63 − 19 =
- 13.89 − 14 =
- 14.63 − 33 =
- 15.59 − 48 =
- 16.67 − 21 =
- 17.94 − 75 =
- 18.83 − 15 =
- 19.52 − 19 =
- 20.64 − 41 =
- 21.96 − 13 =
- 22.67 − 14 =
- 23.83 − 33 =
- 24.62 − 36 =
- 25.84 − 47 =
- 26.77 − 14 =
- 27.91 − 41 =
- 28.53 − 38 =
- 29.93 − 78 =
- 30.58 − 24 =
- 31.88 − 34 =
- 32.89 − 27 =
- 33.52 − 41 =
- 34.66 − 28 =
- 35.71 − 32 =
- 36.72 − 39 =
- 37.65 − 52 =
- 38.85 − 24 =
- 39.94 − 36 =
- 40.66 − 31 =
Answer key
- 57
- 33
- 66
- 65
- 20
- 47
- 19
- 13
- 74
- 62
- 52
- 44
- 75
- 30
- 11
- 46
- 19
- 68
- 33
- 23
- 83
- 53
- 50
- 26
- 37
- 63
- 50
- 15
- 15
- 34
- 54
- 62
- 11
- 38
- 39
- 33
- 13
- 61
- 58
- 35
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths