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
- 1.60 − 31 =
- 2.63 − 45 =
- 3.99 − 61 =
- 4.61 − 36 =
- 5.92 − 69 =
- 6.96 − 51 =
- 7.94 − 31 =
- 8.63 − 43 =
- 9.76 − 51 =
- 10.56 − 39 =
- 11.64 − 49 =
- 12.66 − 31 =
- 13.91 − 26 =
- 14.83 − 26 =
- 15.73 − 14 =
- 16.54 − 31 =
- 17.81 − 52 =
- 18.53 − 36 =
- 19.99 − 26 =
- 20.70 − 39 =
- 21.95 − 53 =
- 22.69 − 27 =
- 23.87 − 32 =
- 24.55 − 12 =
- 25.75 − 26 =
- 26.78 − 57 =
- 27.57 − 46 =
- 28.93 − 42 =
- 29.66 − 16 =
- 30.69 − 52 =
- 31.71 − 44 =
- 32.83 − 13 =
- 33.97 − 75 =
- 34.52 − 27 =
- 35.95 − 14 =
- 36.58 − 27 =
- 37.58 − 31 =
- 38.64 − 31 =
- 39.82 − 58 =
- 40.74 − 31 =
Answer key
- 29
- 18
- 38
- 25
- 23
- 45
- 63
- 20
- 25
- 17
- 15
- 35
- 65
- 57
- 59
- 23
- 29
- 17
- 73
- 31
- 42
- 42
- 55
- 43
- 49
- 21
- 11
- 51
- 50
- 17
- 27
- 70
- 22
- 25
- 81
- 31
- 27
- 33
- 24
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths