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
- 1.52 − 39 =
- 2.66 − 41 =
- 3.72 − 43 =
- 4.60 − 46 =
- 5.79 − 25 =
- 6.91 − 61 =
- 7.77 − 47 =
- 8.94 − 27 =
- 9.72 − 58 =
- 10.72 − 53 =
- 11.78 − 31 =
- 12.92 − 62 =
- 13.82 − 16 =
- 14.76 − 18 =
- 15.84 − 57 =
- 16.93 − 44 =
- 17.76 − 59 =
- 18.61 − 18 =
- 19.96 − 67 =
- 20.85 − 16 =
- 21.95 − 36 =
- 22.55 − 21 =
- 23.65 − 51 =
- 24.90 − 78 =
- 25.65 − 28 =
- 26.78 − 48 =
- 27.73 − 27 =
- 28.63 − 35 =
- 29.53 − 15 =
- 30.67 − 35 =
- 31.78 − 13 =
- 32.64 − 34 =
- 33.84 − 49 =
- 34.97 − 12 =
- 35.55 − 43 =
- 36.65 − 24 =
- 37.96 − 18 =
- 38.82 − 24 =
- 39.85 − 34 =
- 40.72 − 29 =
Answer key
- 13
- 25
- 29
- 14
- 54
- 30
- 30
- 67
- 14
- 19
- 47
- 30
- 66
- 58
- 27
- 49
- 17
- 43
- 29
- 69
- 59
- 34
- 14
- 12
- 37
- 30
- 46
- 28
- 38
- 32
- 65
- 30
- 35
- 85
- 12
- 41
- 78
- 58
- 51
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths