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 − 43 =
- 2.97 − 21 =
- 3.91 − 73 =
- 4.57 − 38 =
- 5.65 − 21 =
- 6.88 − 27 =
- 7.98 − 31 =
- 8.87 − 21 =
- 9.78 − 18 =
- 10.90 − 31 =
- 11.52 − 31 =
- 12.92 − 32 =
- 13.79 − 24 =
- 14.94 − 34 =
- 15.52 − 12 =
- 16.91 − 31 =
- 17.89 − 43 =
- 18.89 − 59 =
- 19.57 − 34 =
- 20.56 − 35 =
- 21.57 − 18 =
- 22.97 − 61 =
- 23.57 − 24 =
- 24.86 − 36 =
- 25.53 − 41 =
- 26.93 − 27 =
- 27.52 − 16 =
- 28.99 − 57 =
- 29.77 − 41 =
- 30.65 − 15 =
- 31.87 − 18 =
- 32.60 − 29 =
- 33.63 − 22 =
- 34.78 − 14 =
- 35.72 − 61 =
- 36.95 − 83 =
- 37.75 − 16 =
- 38.84 − 47 =
- 39.90 − 51 =
- 40.76 − 22 =
Answer key
- 26
- 76
- 18
- 19
- 44
- 61
- 67
- 66
- 60
- 59
- 21
- 60
- 55
- 60
- 40
- 60
- 46
- 30
- 23
- 21
- 39
- 36
- 33
- 50
- 12
- 66
- 36
- 42
- 36
- 50
- 69
- 31
- 41
- 64
- 11
- 12
- 59
- 37
- 39
- 54
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths