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
- 1.78 − 65 =
- 2.62 − 24 =
- 3.56 − 27 =
- 4.69 − 36 =
- 5.76 − 51 =
- 6.77 − 66 =
- 7.64 − 17 =
- 8.91 − 61 =
- 9.73 − 13 =
- 10.57 − 45 =
- 11.72 − 51 =
- 12.72 − 23 =
- 13.64 − 12 =
- 14.60 − 49 =
- 15.91 − 31 =
- 16.77 − 14 =
- 17.55 − 24 =
- 18.64 − 44 =
- 19.74 − 52 =
- 20.75 − 14 =
- 21.83 − 44 =
- 22.71 − 44 =
- 23.82 − 32 =
- 24.69 − 15 =
- 25.85 − 65 =
- 26.69 − 35 =
- 27.60 − 46 =
- 28.99 − 31 =
- 29.55 − 38 =
- 30.89 − 29 =
- 31.73 − 39 =
- 32.64 − 45 =
- 33.62 − 22 =
- 34.75 − 12 =
- 35.57 − 39 =
- 36.59 − 42 =
- 37.69 − 49 =
- 38.62 − 12 =
- 39.88 − 71 =
- 40.63 − 18 =
Answer key
- 13
- 38
- 29
- 33
- 25
- 11
- 47
- 30
- 60
- 12
- 21
- 49
- 52
- 11
- 60
- 63
- 31
- 20
- 22
- 61
- 39
- 27
- 50
- 54
- 20
- 34
- 14
- 68
- 17
- 60
- 34
- 19
- 40
- 63
- 18
- 17
- 20
- 50
- 17
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths