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
- 1.94 − 81 =
- 2.98 − 81 =
- 3.87 − 44 =
- 4.98 − 29 =
- 5.74 − 38 =
- 6.70 − 49 =
- 7.73 − 36 =
- 8.64 − 18 =
- 9.62 − 33 =
- 10.56 − 19 =
- 11.61 − 27 =
- 12.56 − 34 =
- 13.52 − 34 =
- 14.86 − 31 =
- 15.99 − 52 =
- 16.68 − 36 =
- 17.81 − 15 =
- 18.75 − 35 =
- 19.66 − 31 =
- 20.56 − 24 =
- 21.69 − 38 =
- 22.77 − 59 =
- 23.56 − 18 =
- 24.63 − 25 =
- 25.75 − 56 =
- 26.61 − 36 =
- 27.69 − 43 =
- 28.56 − 21 =
- 29.86 − 58 =
- 30.52 − 12 =
- 31.92 − 73 =
- 32.89 − 38 =
- 33.54 − 38 =
- 34.55 − 37 =
- 35.89 − 49 =
- 36.74 − 42 =
- 37.83 − 72 =
- 38.88 − 21 =
- 39.52 − 27 =
- 40.86 − 32 =
Answer key
- 13
- 17
- 43
- 69
- 36
- 21
- 37
- 46
- 29
- 37
- 34
- 22
- 18
- 55
- 47
- 32
- 66
- 40
- 35
- 32
- 31
- 18
- 38
- 38
- 19
- 25
- 26
- 35
- 28
- 40
- 19
- 51
- 16
- 18
- 40
- 32
- 11
- 67
- 25
- 54
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths