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
- 1.97 − 25 =
- 2.64 − 23 =
- 3.55 − 17 =
- 4.59 − 46 =
- 5.59 − 27 =
- 6.65 − 18 =
- 7.71 − 58 =
- 8.70 − 13 =
- 9.69 − 35 =
- 10.53 − 32 =
- 11.86 − 37 =
- 12.97 − 35 =
- 13.60 − 17 =
- 14.97 − 39 =
- 15.97 − 17 =
- 16.66 − 15 =
- 17.86 − 54 =
- 18.60 − 45 =
- 19.67 − 25 =
- 20.70 − 33 =
- 21.73 − 37 =
- 22.85 − 46 =
- 23.89 − 78 =
- 24.69 − 31 =
- 25.96 − 78 =
- 26.57 − 14 =
- 27.88 − 62 =
- 28.57 − 46 =
- 29.58 − 26 =
- 30.90 − 26 =
- 31.97 − 27 =
- 32.55 − 22 =
- 33.78 − 28 =
- 34.64 − 53 =
- 35.79 − 63 =
- 36.70 − 41 =
- 37.88 − 67 =
- 38.96 − 69 =
- 39.82 − 27 =
- 40.72 − 38 =
Answer key
- 72
- 41
- 38
- 13
- 32
- 47
- 13
- 57
- 34
- 21
- 49
- 62
- 43
- 58
- 80
- 51
- 32
- 15
- 42
- 37
- 36
- 39
- 11
- 38
- 18
- 43
- 26
- 11
- 32
- 64
- 70
- 33
- 50
- 11
- 16
- 29
- 21
- 27
- 55
- 34
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths