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
- 1.87 − 24 =
- 2.94 − 12 =
- 3.68 − 14 =
- 4.70 − 52 =
- 5.68 − 13 =
- 6.67 − 12 =
- 7.54 − 32 =
- 8.61 − 49 =
- 9.62 − 46 =
- 10.54 − 18 =
- 11.87 − 64 =
- 12.88 − 58 =
- 13.64 − 13 =
- 14.61 − 15 =
- 15.57 − 32 =
- 16.92 − 38 =
- 17.79 − 39 =
- 18.95 − 54 =
- 19.95 − 81 =
- 20.52 − 14 =
- 21.83 − 34 =
- 22.57 − 13 =
- 23.85 − 73 =
- 24.56 − 41 =
- 25.93 − 53 =
- 26.60 − 51 =
- 27.81 − 34 =
- 28.83 − 44 =
- 29.57 − 47 =
- 30.75 − 61 =
- 31.52 − 23 =
- 32.79 − 45 =
- 33.52 − 34 =
- 34.64 − 28 =
- 35.85 − 46 =
- 36.69 − 23 =
- 37.73 − 25 =
- 38.57 − 17 =
- 39.53 − 39 =
- 40.76 − 42 =
Answer key
- 63
- 82
- 54
- 18
- 55
- 55
- 22
- 12
- 16
- 36
- 23
- 30
- 51
- 46
- 25
- 54
- 40
- 41
- 14
- 38
- 49
- 44
- 12
- 15
- 40
- 9
- 47
- 39
- 10
- 14
- 29
- 34
- 18
- 36
- 39
- 46
- 48
- 40
- 14
- 34
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths