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
- 1.87 − 18 =
- 2.72 − 24 =
- 3.56 − 31 =
- 4.82 − 54 =
- 5.94 − 51 =
- 6.79 − 25 =
- 7.63 − 29 =
- 8.96 − 78 =
- 9.59 − 48 =
- 10.83 − 23 =
- 11.89 − 15 =
- 12.82 − 35 =
- 13.94 − 64 =
- 14.61 − 18 =
- 15.86 − 37 =
- 16.91 − 71 =
- 17.92 − 67 =
- 18.53 − 42 =
- 19.84 − 23 =
- 20.97 − 19 =
- 21.85 − 42 =
- 22.68 − 31 =
- 23.65 − 45 =
- 24.57 − 16 =
- 25.61 − 34 =
- 26.67 − 22 =
- 27.54 − 41 =
- 28.84 − 53 =
- 29.55 − 38 =
- 30.60 − 51 =
- 31.76 − 25 =
- 32.71 − 53 =
- 33.79 − 58 =
- 34.65 − 31 =
- 35.83 − 64 =
- 36.96 − 29 =
- 37.54 − 25 =
- 38.88 − 51 =
- 39.54 − 22 =
- 40.79 − 12 =
Answer key
- 69
- 48
- 25
- 28
- 43
- 54
- 34
- 18
- 11
- 60
- 74
- 47
- 30
- 43
- 49
- 20
- 25
- 11
- 61
- 78
- 43
- 37
- 20
- 41
- 27
- 45
- 13
- 31
- 17
- 9
- 51
- 18
- 21
- 34
- 19
- 67
- 29
- 37
- 32
- 67
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths