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
- 1.63 − 46 =
- 2.84 − 21 =
- 3.97 − 21 =
- 4.65 − 18 =
- 5.56 − 19 =
- 6.92 − 36 =
- 7.82 − 26 =
- 8.82 − 45 =
- 9.52 − 19 =
- 10.52 − 21 =
- 11.81 − 71 =
- 12.90 − 51 =
- 13.76 − 21 =
- 14.62 − 31 =
- 15.98 − 26 =
- 16.81 − 52 =
- 17.81 − 41 =
- 18.53 − 31 =
- 19.65 − 29 =
- 20.72 − 17 =
- 21.69 − 32 =
- 22.91 − 71 =
- 23.99 − 17 =
- 24.82 − 71 =
- 25.65 − 13 =
- 26.92 − 39 =
- 27.76 − 54 =
- 28.83 − 61 =
- 29.55 − 17 =
- 30.91 − 55 =
- 31.73 − 22 =
- 32.77 − 51 =
- 33.80 − 41 =
- 34.64 − 42 =
- 35.56 − 39 =
- 36.96 − 79 =
- 37.62 − 33 =
- 38.67 − 48 =
- 39.59 − 16 =
- 40.68 − 34 =
Answer key
- 17
- 63
- 76
- 47
- 37
- 56
- 56
- 37
- 33
- 31
- 10
- 39
- 55
- 31
- 72
- 29
- 40
- 22
- 36
- 55
- 37
- 20
- 82
- 11
- 52
- 53
- 22
- 22
- 38
- 36
- 51
- 26
- 39
- 22
- 17
- 17
- 29
- 19
- 43
- 34
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths