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
- 1.88 − 24 =
- 2.52 − 21 =
- 3.55 − 34 =
- 4.98 − 87 =
- 5.54 − 23 =
- 6.73 − 31 =
- 7.52 − 31 =
- 8.78 − 66 =
- 9.94 − 22 =
- 10.54 − 13 =
- 11.81 − 64 =
- 12.57 − 36 =
- 13.62 − 28 =
- 14.91 − 54 =
- 15.66 − 38 =
- 16.54 − 26 =
- 17.67 − 51 =
- 18.91 − 15 =
- 19.65 − 24 =
- 20.75 − 58 =
- 21.87 − 56 =
- 22.53 − 16 =
- 23.93 − 24 =
- 24.57 − 17 =
- 25.87 − 77 =
- 26.92 − 31 =
- 27.94 − 13 =
- 28.58 − 25 =
- 29.61 − 31 =
- 30.76 − 47 =
- 31.57 − 13 =
- 32.55 − 19 =
- 33.84 − 36 =
- 34.63 − 16 =
- 35.56 − 21 =
- 36.92 − 65 =
- 37.64 − 41 =
- 38.85 − 24 =
- 39.56 − 18 =
- 40.65 − 31 =
Answer key
- 64
- 31
- 21
- 11
- 31
- 42
- 21
- 12
- 72
- 41
- 17
- 21
- 34
- 37
- 28
- 28
- 16
- 76
- 41
- 17
- 31
- 37
- 69
- 40
- 10
- 61
- 81
- 33
- 30
- 29
- 44
- 36
- 48
- 47
- 35
- 27
- 23
- 61
- 38
- 34
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths