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
- 1.61 − 41 =
- 2.66 − 52 =
- 3.96 − 62 =
- 4.62 − 21 =
- 5.67 − 23 =
- 6.81 − 46 =
- 7.56 − 23 =
- 8.64 − 21 =
- 9.66 − 29 =
- 10.93 − 75 =
- 11.62 − 47 =
- 12.73 − 19 =
- 13.59 − 18 =
- 14.74 − 51 =
- 15.72 − 56 =
- 16.77 − 32 =
- 17.89 − 47 =
- 18.60 − 39 =
- 19.74 − 36 =
- 20.92 − 53 =
- 21.55 − 42 =
- 22.75 − 22 =
- 23.64 − 13 =
- 24.77 − 58 =
- 25.75 − 26 =
- 26.97 − 25 =
- 27.73 − 46 =
- 28.61 − 15 =
- 29.60 − 13 =
- 30.90 − 73 =
- 31.89 − 14 =
- 32.73 − 21 =
- 33.67 − 57 =
- 34.91 − 27 =
- 35.75 − 45 =
- 36.65 − 37 =
- 37.63 − 46 =
- 38.61 − 37 =
- 39.72 − 52 =
- 40.69 − 18 =
Answer key
- 20
- 14
- 34
- 41
- 44
- 35
- 33
- 43
- 37
- 18
- 15
- 54
- 41
- 23
- 16
- 45
- 42
- 21
- 38
- 39
- 13
- 53
- 51
- 19
- 49
- 72
- 27
- 46
- 47
- 17
- 75
- 52
- 10
- 64
- 30
- 28
- 17
- 24
- 20
- 51
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths