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
- 1.56 − 31 =
- 2.90 − 37 =
- 3.68 − 32 =
- 4.53 − 41 =
- 5.62 − 51 =
- 6.95 − 15 =
- 7.60 − 27 =
- 8.80 − 31 =
- 9.65 − 46 =
- 10.77 − 29 =
- 11.68 − 26 =
- 12.99 − 34 =
- 13.58 − 45 =
- 14.55 − 17 =
- 15.85 − 28 =
- 16.99 − 23 =
- 17.80 − 17 =
- 18.81 − 29 =
- 19.54 − 24 =
- 20.65 − 51 =
- 21.94 − 52 =
- 22.79 − 58 =
- 23.62 − 49 =
- 24.78 − 41 =
- 25.65 − 32 =
- 26.57 − 47 =
- 27.87 − 39 =
- 28.90 − 63 =
- 29.70 − 47 =
- 30.53 − 14 =
- 31.64 − 52 =
- 32.81 − 14 =
- 33.73 − 43 =
- 34.63 − 15 =
- 35.94 − 61 =
- 36.55 − 21 =
- 37.70 − 21 =
- 38.83 − 36 =
- 39.88 − 38 =
- 40.54 − 19 =
Answer key
- 25
- 53
- 36
- 12
- 11
- 80
- 33
- 49
- 19
- 48
- 42
- 65
- 13
- 38
- 57
- 76
- 63
- 52
- 30
- 14
- 42
- 21
- 13
- 37
- 33
- 10
- 48
- 27
- 23
- 39
- 12
- 67
- 30
- 48
- 33
- 34
- 49
- 47
- 50
- 35
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths