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
- 1.79 − 28 =
- 2.89 − 69 =
- 3.67 − 15 =
- 4.55 − 22 =
- 5.91 − 58 =
- 6.63 − 17 =
- 7.99 − 33 =
- 8.58 − 15 =
- 9.89 − 75 =
- 10.92 − 27 =
- 11.83 − 64 =
- 12.59 − 24 =
- 13.79 − 56 =
- 14.62 − 27 =
- 15.86 − 17 =
- 16.93 − 51 =
- 17.80 − 21 =
- 18.55 − 25 =
- 19.71 − 32 =
- 20.67 − 38 =
- 21.76 − 32 =
- 22.82 − 28 =
- 23.57 − 41 =
- 24.63 − 45 =
- 25.75 − 26 =
- 26.58 − 12 =
- 27.79 − 21 =
- 28.99 − 42 =
- 29.79 − 55 =
- 30.93 − 56 =
- 31.64 − 37 =
- 32.63 − 14 =
- 33.68 − 43 =
- 34.57 − 42 =
- 35.54 − 36 =
- 36.75 − 24 =
- 37.64 − 51 =
- 38.59 − 15 =
- 39.74 − 18 =
- 40.84 − 64 =
Answer key
- 51
- 20
- 52
- 33
- 33
- 46
- 66
- 43
- 14
- 65
- 19
- 35
- 23
- 35
- 69
- 42
- 59
- 30
- 39
- 29
- 44
- 54
- 16
- 18
- 49
- 46
- 58
- 57
- 24
- 37
- 27
- 49
- 25
- 15
- 18
- 51
- 13
- 44
- 56
- 20
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths