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
- 1.77 − 41 =
- 2.66 − 21 =
- 3.78 − 31 =
- 4.89 − 43 =
- 5.63 − 32 =
- 6.90 − 51 =
- 7.87 − 25 =
- 8.59 − 25 =
- 9.54 − 18 =
- 10.57 − 34 =
- 11.89 − 68 =
- 12.58 − 21 =
- 13.73 − 61 =
- 14.82 − 41 =
- 15.97 − 13 =
- 16.55 − 14 =
- 17.60 − 21 =
- 18.63 − 28 =
- 19.59 − 21 =
- 20.88 − 12 =
- 21.68 − 37 =
- 22.55 − 21 =
- 23.61 − 47 =
- 24.67 − 57 =
- 25.96 − 59 =
- 26.90 − 15 =
- 27.66 − 19 =
- 28.62 − 41 =
- 29.69 − 47 =
- 30.72 − 41 =
- 31.53 − 36 =
- 32.67 − 15 =
- 33.59 − 37 =
- 34.61 − 12 =
- 35.53 − 18 =
- 36.94 − 23 =
- 37.56 − 27 =
- 38.63 − 17 =
- 39.74 − 17 =
- 40.96 − 56 =
Answer key
- 36
- 45
- 47
- 46
- 31
- 39
- 62
- 34
- 36
- 23
- 21
- 37
- 12
- 41
- 84
- 41
- 39
- 35
- 38
- 76
- 31
- 34
- 14
- 10
- 37
- 75
- 47
- 21
- 22
- 31
- 17
- 52
- 22
- 49
- 35
- 71
- 29
- 46
- 57
- 40
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths