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
- 1.59 − 34 =
- 2.56 − 38 =
- 3.77 − 43 =
- 4.79 − 61 =
- 5.55 − 44 =
- 6.79 − 65 =
- 7.52 − 42 =
- 8.65 − 16 =
- 9.58 − 18 =
- 10.72 − 42 =
- 11.86 − 14 =
- 12.90 − 77 =
- 13.52 − 21 =
- 14.62 − 38 =
- 15.66 − 55 =
- 16.59 − 28 =
- 17.91 − 57 =
- 18.58 − 35 =
- 19.59 − 21 =
- 20.95 − 12 =
- 21.97 − 51 =
- 22.62 − 18 =
- 23.82 − 63 =
- 24.64 − 14 =
- 25.67 − 21 =
- 26.72 − 13 =
- 27.70 − 51 =
- 28.65 − 19 =
- 29.81 − 61 =
- 30.52 − 12 =
- 31.74 − 25 =
- 32.52 − 31 =
- 33.97 − 26 =
- 34.71 − 21 =
- 35.90 − 18 =
- 36.63 − 12 =
- 37.85 − 27 =
- 38.62 − 14 =
- 39.53 − 25 =
- 40.63 − 32 =
Answer key
- 25
- 18
- 34
- 18
- 11
- 14
- 10
- 49
- 40
- 30
- 72
- 13
- 31
- 24
- 11
- 31
- 34
- 23
- 38
- 83
- 46
- 44
- 19
- 50
- 46
- 59
- 19
- 46
- 20
- 40
- 49
- 21
- 71
- 50
- 72
- 51
- 58
- 48
- 28
- 31
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths