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
- 1.70 − 32 =
- 2.80 − 53 =
- 3.87 − 17 =
- 4.56 − 22 =
- 5.86 − 61 =
- 6.79 − 26 =
- 7.70 − 27 =
- 8.57 − 26 =
- 9.68 − 47 =
- 10.83 − 61 =
- 11.90 − 59 =
- 12.58 − 35 =
- 13.95 − 24 =
- 14.62 − 35 =
- 15.69 − 48 =
- 16.77 − 66 =
- 17.60 − 35 =
- 18.55 − 39 =
- 19.97 − 19 =
- 20.59 − 42 =
- 21.59 − 37 =
- 22.63 − 32 =
- 23.83 − 13 =
- 24.88 − 54 =
- 25.69 − 41 =
- 26.68 − 22 =
- 27.59 − 22 =
- 28.54 − 31 =
- 29.83 − 49 =
- 30.80 − 42 =
- 31.90 − 29 =
- 32.79 − 31 =
- 33.54 − 21 =
- 34.75 − 17 =
- 35.70 − 25 =
- 36.82 − 71 =
- 37.81 − 22 =
- 38.83 − 29 =
- 39.97 − 71 =
- 40.72 − 47 =
Answer key
- 38
- 27
- 70
- 34
- 25
- 53
- 43
- 31
- 21
- 22
- 31
- 23
- 71
- 27
- 21
- 11
- 25
- 16
- 78
- 17
- 22
- 31
- 70
- 34
- 28
- 46
- 37
- 23
- 34
- 38
- 61
- 48
- 33
- 58
- 45
- 11
- 59
- 54
- 26
- 25
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths