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
- 1.68 − 41 =
- 2.91 − 81 =
- 3.99 − 86 =
- 4.97 − 57 =
- 5.68 − 15 =
- 6.55 − 31 =
- 7.78 − 39 =
- 8.56 − 34 =
- 9.55 − 44 =
- 10.68 − 21 =
- 11.80 − 23 =
- 12.53 − 16 =
- 13.52 − 17 =
- 14.83 − 44 =
- 15.65 − 18 =
- 16.66 − 48 =
- 17.79 − 18 =
- 18.57 − 21 =
- 19.77 − 51 =
- 20.93 − 41 =
- 21.88 − 17 =
- 22.65 − 25 =
- 23.65 − 41 =
- 24.93 − 15 =
- 25.66 − 53 =
- 26.86 − 14 =
- 27.75 − 21 =
- 28.75 − 58 =
- 29.55 − 34 =
- 30.79 − 49 =
- 31.61 − 32 =
- 32.72 − 57 =
- 33.76 − 27 =
- 34.52 − 42 =
- 35.87 − 34 =
- 36.99 − 68 =
- 37.57 − 37 =
- 38.82 − 24 =
- 39.64 − 51 =
- 40.91 − 74 =
Answer key
- 27
- 10
- 13
- 40
- 53
- 24
- 39
- 22
- 11
- 47
- 57
- 37
- 35
- 39
- 47
- 18
- 61
- 36
- 26
- 52
- 71
- 40
- 24
- 78
- 13
- 72
- 54
- 17
- 21
- 30
- 29
- 15
- 49
- 10
- 53
- 31
- 20
- 58
- 13
- 17
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths