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
- 1.70 − 23 =
- 2.66 − 51 =
- 3.61 − 17 =
- 4.80 − 38 =
- 5.75 − 33 =
- 6.85 − 55 =
- 7.78 − 17 =
- 8.90 − 75 =
- 9.55 − 21 =
- 10.57 − 19 =
- 11.97 − 24 =
- 12.83 − 24 =
- 13.99 − 51 =
- 14.98 − 84 =
- 15.73 − 49 =
- 16.75 − 38 =
- 17.94 − 78 =
- 18.53 − 15 =
- 19.97 − 12 =
- 20.53 − 34 =
- 21.59 − 48 =
- 22.89 − 32 =
- 23.57 − 42 =
- 24.77 − 65 =
- 25.92 − 33 =
- 26.64 − 22 =
- 27.80 − 48 =
- 28.99 − 53 =
- 29.75 − 44 =
- 30.97 − 87 =
- 31.60 − 28 =
- 32.74 − 14 =
- 33.56 − 44 =
- 34.74 − 32 =
- 35.56 − 12 =
- 36.87 − 29 =
- 37.92 − 21 =
- 38.93 − 24 =
- 39.92 − 31 =
- 40.89 − 44 =
Answer key
- 47
- 15
- 44
- 42
- 42
- 30
- 61
- 15
- 34
- 38
- 73
- 59
- 48
- 14
- 24
- 37
- 16
- 38
- 85
- 19
- 11
- 57
- 15
- 12
- 59
- 42
- 32
- 46
- 31
- 10
- 32
- 60
- 12
- 42
- 44
- 58
- 71
- 69
- 61
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths