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
- 1.91 − 81 =
- 2.64 − 37 =
- 3.74 − 34 =
- 4.89 − 43 =
- 5.83 − 26 =
- 6.69 − 42 =
- 7.65 − 44 =
- 8.56 − 31 =
- 9.71 − 53 =
- 10.98 − 82 =
- 11.61 − 33 =
- 12.56 − 17 =
- 13.87 − 47 =
- 14.77 − 41 =
- 15.64 − 22 =
- 16.95 − 51 =
- 17.80 − 26 =
- 18.99 − 89 =
- 19.64 − 27 =
- 20.59 − 36 =
- 21.77 − 33 =
- 22.76 − 22 =
- 23.56 − 12 =
- 24.82 − 72 =
- 25.74 − 51 =
- 26.87 − 61 =
- 27.64 − 18 =
- 28.56 − 28 =
- 29.72 − 25 =
- 30.97 − 81 =
- 31.97 − 34 =
- 32.52 − 31 =
- 33.97 − 32 =
- 34.89 − 37 =
- 35.75 − 21 =
- 36.57 − 37 =
- 37.68 − 22 =
- 38.90 − 64 =
- 39.82 − 71 =
- 40.54 − 33 =
Answer key
- 10
- 27
- 40
- 46
- 57
- 27
- 21
- 25
- 18
- 16
- 28
- 39
- 40
- 36
- 42
- 44
- 54
- 10
- 37
- 23
- 44
- 54
- 44
- 10
- 23
- 26
- 46
- 28
- 47
- 16
- 63
- 21
- 65
- 52
- 54
- 20
- 46
- 26
- 11
- 21
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths