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
- 1.72 − 45 =
- 2.53 − 13 =
- 3.70 − 53 =
- 4.93 − 73 =
- 5.52 − 23 =
- 6.73 − 12 =
- 7.55 − 21 =
- 8.72 − 32 =
- 9.86 − 25 =
- 10.58 − 27 =
- 11.86 − 21 =
- 12.99 − 21 =
- 13.52 − 41 =
- 14.84 − 31 =
- 15.57 − 39 =
- 16.79 − 47 =
- 17.92 − 68 =
- 18.76 − 39 =
- 19.62 − 26 =
- 20.76 − 52 =
- 21.73 − 43 =
- 22.89 − 27 =
- 23.59 − 21 =
- 24.57 − 45 =
- 25.62 − 17 =
- 26.95 − 71 =
- 27.75 − 28 =
- 28.64 − 49 =
- 29.82 − 51 =
- 30.59 − 36 =
- 31.68 − 35 =
- 32.78 − 45 =
- 33.59 − 34 =
- 34.67 − 32 =
- 35.80 − 48 =
- 36.64 − 52 =
- 37.94 − 25 =
- 38.55 − 35 =
- 39.93 − 33 =
- 40.92 − 19 =
Answer key
- 27
- 40
- 17
- 20
- 29
- 61
- 34
- 40
- 61
- 31
- 65
- 78
- 11
- 53
- 18
- 32
- 24
- 37
- 36
- 24
- 30
- 62
- 38
- 12
- 45
- 24
- 47
- 15
- 31
- 23
- 33
- 33
- 25
- 35
- 32
- 12
- 69
- 20
- 60
- 73
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths