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
- 1.99 − 18 =
- 2.80 − 14 =
- 3.90 − 21 =
- 4.92 − 53 =
- 5.98 − 81 =
- 6.67 − 16 =
- 7.85 − 44 =
- 8.76 − 19 =
- 9.64 − 18 =
- 10.79 − 67 =
- 11.67 − 15 =
- 12.84 − 27 =
- 13.72 − 39 =
- 14.96 − 33 =
- 15.78 − 41 =
- 16.59 − 24 =
- 17.53 − 31 =
- 18.72 − 31 =
- 19.56 − 16 =
- 20.64 − 54 =
- 21.69 − 41 =
- 22.56 − 34 =
- 23.56 − 38 =
- 24.98 − 51 =
- 25.67 − 29 =
- 26.65 − 18 =
- 27.60 − 26 =
- 28.68 − 32 =
- 29.52 − 24 =
- 30.85 − 41 =
- 31.94 − 68 =
- 32.91 − 81 =
- 33.56 − 33 =
- 34.55 − 16 =
- 35.72 − 16 =
- 36.94 − 79 =
- 37.59 − 22 =
- 38.65 − 55 =
- 39.87 − 31 =
- 40.98 − 21 =
Answer key
- 81
- 66
- 69
- 39
- 17
- 51
- 41
- 57
- 46
- 12
- 52
- 57
- 33
- 63
- 37
- 35
- 22
- 41
- 40
- 10
- 28
- 22
- 18
- 47
- 38
- 47
- 34
- 36
- 28
- 44
- 26
- 10
- 23
- 39
- 56
- 15
- 37
- 10
- 56
- 77
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths