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
- 1.54 − 41 =
- 2.64 − 43 =
- 3.70 − 13 =
- 4.87 − 64 =
- 5.86 − 56 =
- 6.79 − 26 =
- 7.58 − 44 =
- 8.56 − 18 =
- 9.97 − 29 =
- 10.79 − 31 =
- 11.80 − 68 =
- 12.63 − 45 =
- 13.92 − 81 =
- 14.97 − 83 =
- 15.77 − 61 =
- 16.80 − 47 =
- 17.79 − 37 =
- 18.81 − 15 =
- 19.85 − 36 =
- 20.71 − 14 =
- 21.92 − 21 =
- 22.98 − 82 =
- 23.79 − 16 =
- 24.89 − 23 =
- 25.69 − 51 =
- 26.60 − 43 =
- 27.65 − 19 =
- 28.65 − 39 =
- 29.58 − 21 =
- 30.61 − 39 =
- 31.83 − 34 =
- 32.54 − 17 =
- 33.86 − 29 =
- 34.98 − 75 =
- 35.78 − 36 =
- 36.65 − 48 =
- 37.91 − 81 =
- 38.85 − 42 =
- 39.54 − 29 =
- 40.94 − 65 =
Answer key
- 13
- 21
- 57
- 23
- 30
- 53
- 14
- 38
- 68
- 48
- 12
- 18
- 11
- 14
- 16
- 33
- 42
- 66
- 49
- 57
- 71
- 16
- 63
- 66
- 18
- 17
- 46
- 26
- 37
- 22
- 49
- 37
- 57
- 23
- 42
- 17
- 10
- 43
- 25
- 29
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths