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
- 1.55 − 21 =
- 2.87 − 57 =
- 3.84 − 33 =
- 4.70 − 13 =
- 5.89 − 44 =
- 6.81 − 48 =
- 7.72 − 28 =
- 8.91 − 77 =
- 9.55 − 17 =
- 10.61 − 19 =
- 11.86 − 55 =
- 12.82 − 31 =
- 13.54 − 18 =
- 14.53 − 17 =
- 15.58 − 25 =
- 16.54 − 43 =
- 17.67 − 54 =
- 18.87 − 35 =
- 19.73 − 25 =
- 20.67 − 13 =
- 21.77 − 17 =
- 22.97 − 34 =
- 23.62 − 43 =
- 24.60 − 35 =
- 25.78 − 65 =
- 26.68 − 41 =
- 27.94 − 38 =
- 28.95 − 35 =
- 29.70 − 51 =
- 30.66 − 27 =
- 31.93 − 39 =
- 32.89 − 71 =
- 33.61 − 31 =
- 34.63 − 31 =
- 35.87 − 26 =
- 36.58 − 14 =
- 37.53 − 41 =
- 38.96 − 62 =
- 39.55 − 31 =
- 40.85 − 23 =
Answer key
- 34
- 30
- 51
- 57
- 45
- 33
- 44
- 14
- 38
- 42
- 31
- 51
- 36
- 36
- 33
- 11
- 13
- 52
- 48
- 54
- 60
- 63
- 19
- 25
- 13
- 27
- 56
- 60
- 19
- 39
- 54
- 18
- 30
- 32
- 61
- 44
- 12
- 34
- 24
- 62
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths