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
- 1.54 − 19 =
- 2.67 − 46 =
- 3.95 − 13 =
- 4.61 − 38 =
- 5.71 − 51 =
- 6.58 − 23 =
- 7.56 − 36 =
- 8.74 − 44 =
- 9.65 − 13 =
- 10.68 − 14 =
- 11.66 − 41 =
- 12.99 − 75 =
- 13.73 − 13 =
- 14.98 − 44 =
- 15.56 − 43 =
- 16.90 − 65 =
- 17.72 − 61 =
- 18.59 − 21 =
- 19.78 − 66 =
- 20.75 − 28 =
- 21.98 − 21 =
- 22.95 − 68 =
- 23.61 − 27 =
- 24.65 − 41 =
- 25.86 − 25 =
- 26.89 − 54 =
- 27.82 − 61 =
- 28.99 − 21 =
- 29.84 − 42 =
- 30.88 − 35 =
- 31.81 − 57 =
- 32.60 − 25 =
- 33.52 − 39 =
- 34.70 − 52 =
- 35.94 − 51 =
- 36.73 − 31 =
- 37.71 − 54 =
- 38.76 − 29 =
- 39.70 − 51 =
- 40.73 − 16 =
Answer key
- 35
- 21
- 82
- 23
- 20
- 35
- 20
- 30
- 52
- 54
- 25
- 24
- 60
- 54
- 13
- 25
- 11
- 38
- 12
- 47
- 77
- 27
- 34
- 24
- 61
- 35
- 21
- 78
- 42
- 53
- 24
- 35
- 13
- 18
- 43
- 42
- 17
- 47
- 19
- 57
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths