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
- 1.55 − 14 =
- 2.91 − 28 =
- 3.80 − 43 =
- 4.84 − 35 =
- 5.65 − 17 =
- 6.68 − 16 =
- 7.97 − 69 =
- 8.63 − 18 =
- 9.86 − 51 =
- 10.77 − 67 =
- 11.94 − 81 =
- 12.83 − 31 =
- 13.55 − 21 =
- 14.59 − 45 =
- 15.59 − 15 =
- 16.56 − 36 =
- 17.96 − 75 =
- 18.79 − 27 =
- 19.55 − 31 =
- 20.87 − 77 =
- 21.65 − 33 =
- 22.53 − 13 =
- 23.62 − 23 =
- 24.94 − 63 =
- 25.92 − 56 =
- 26.70 − 37 =
- 27.85 − 59 =
- 28.75 − 62 =
- 29.75 − 14 =
- 30.65 − 14 =
- 31.62 − 31 =
- 32.95 − 62 =
- 33.52 − 32 =
- 34.66 − 18 =
- 35.93 − 35 =
- 36.78 − 45 =
- 37.68 − 29 =
- 38.61 − 21 =
- 39.83 − 16 =
- 40.82 − 43 =
Answer key
- 41
- 63
- 37
- 49
- 48
- 52
- 28
- 45
- 35
- 10
- 13
- 52
- 34
- 14
- 44
- 20
- 21
- 52
- 24
- 10
- 32
- 40
- 39
- 31
- 36
- 33
- 26
- 13
- 61
- 51
- 31
- 33
- 20
- 48
- 58
- 33
- 39
- 40
- 67
- 39
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths