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
- 1.64 − 24 =
- 2.58 − 26 =
- 3.78 − 21 =
- 4.70 − 51 =
- 5.66 − 29 =
- 6.91 − 43 =
- 7.54 − 21 =
- 8.53 − 18 =
- 9.89 − 43 =
- 10.75 − 32 =
- 11.97 − 48 =
- 12.54 − 12 =
- 13.95 − 61 =
- 14.70 − 26 =
- 15.54 − 14 =
- 16.90 − 73 =
- 17.66 − 13 =
- 18.61 − 16 =
- 19.96 − 31 =
- 20.93 − 51 =
- 21.84 − 62 =
- 22.68 − 21 =
- 23.99 − 56 =
- 24.52 − 42 =
- 25.95 − 27 =
- 26.52 − 27 =
- 27.69 − 37 =
- 28.99 − 18 =
- 29.75 − 65 =
- 30.52 − 12 =
- 31.90 − 39 =
- 32.69 − 23 =
- 33.81 − 24 =
- 34.86 − 58 =
- 35.72 − 56 =
- 36.72 − 15 =
- 37.57 − 45 =
- 38.67 − 56 =
- 39.97 − 37 =
- 40.97 − 25 =
Answer key
- 40
- 32
- 57
- 19
- 37
- 48
- 33
- 35
- 46
- 43
- 49
- 42
- 34
- 44
- 40
- 17
- 53
- 45
- 65
- 42
- 22
- 47
- 43
- 10
- 68
- 25
- 32
- 81
- 10
- 40
- 51
- 46
- 57
- 28
- 16
- 57
- 12
- 11
- 60
- 72
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths