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
- 1.69 − 51 =
- 2.95 − 41 =
- 3.70 − 12 =
- 4.77 − 67 =
- 5.81 − 51 =
- 6.79 − 29 =
- 7.93 − 64 =
- 8.92 − 31 =
- 9.80 − 38 =
- 10.87 − 49 =
- 11.56 − 31 =
- 12.80 − 12 =
- 13.62 − 34 =
- 14.60 − 46 =
- 15.67 − 13 =
- 16.83 − 27 =
- 17.67 − 41 =
- 18.52 − 17 =
- 19.64 − 16 =
- 20.74 − 15 =
- 21.95 − 37 =
- 22.60 − 24 =
- 23.95 − 18 =
- 24.64 − 49 =
- 25.77 − 61 =
- 26.58 − 26 =
- 27.95 − 72 =
- 28.53 − 14 =
- 29.85 − 32 =
- 30.58 − 19 =
- 31.96 − 31 =
- 32.80 − 66 =
- 33.75 − 51 =
- 34.82 − 45 =
- 35.73 − 21 =
- 36.54 − 18 =
- 37.69 − 22 =
- 38.74 − 35 =
- 39.53 − 19 =
- 40.66 − 46 =
Answer key
- 18
- 54
- 58
- 10
- 30
- 50
- 29
- 61
- 42
- 38
- 25
- 68
- 28
- 14
- 54
- 56
- 26
- 35
- 48
- 59
- 58
- 36
- 77
- 15
- 16
- 32
- 23
- 39
- 53
- 39
- 65
- 14
- 24
- 37
- 52
- 36
- 47
- 39
- 34
- 20
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths