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
- 1.55 − 45 =
- 2.70 − 28 =
- 3.64 − 14 =
- 4.66 − 44 =
- 5.60 − 32 =
- 6.65 − 13 =
- 7.79 − 54 =
- 8.61 − 46 =
- 9.91 − 36 =
- 10.78 − 55 =
- 11.67 − 57 =
- 12.83 − 55 =
- 13.76 − 38 =
- 14.58 − 41 =
- 15.68 − 32 =
- 16.94 − 82 =
- 17.78 − 21 =
- 18.64 − 24 =
- 19.71 − 33 =
- 20.70 − 23 =
- 21.57 − 32 =
- 22.89 − 39 =
- 23.89 − 23 =
- 24.76 − 46 =
- 25.63 − 31 =
- 26.78 − 37 =
- 27.66 − 17 =
- 28.60 − 28 =
- 29.57 − 45 =
- 30.69 − 39 =
- 31.78 − 31 =
- 32.95 − 63 =
- 33.94 − 24 =
- 34.76 − 29 =
- 35.80 − 59 =
- 36.93 − 43 =
- 37.73 − 61 =
- 38.64 − 19 =
- 39.62 − 32 =
- 40.54 − 31 =
Answer key
- 10
- 42
- 50
- 22
- 28
- 52
- 25
- 15
- 55
- 23
- 10
- 28
- 38
- 17
- 36
- 12
- 57
- 40
- 38
- 47
- 25
- 50
- 66
- 30
- 32
- 41
- 49
- 32
- 12
- 30
- 47
- 32
- 70
- 47
- 21
- 50
- 12
- 45
- 30
- 23
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths