Johnny Leaper was born on the 29th February 2012.
1. On his third birthday, how old will he really be?
2. In which year will his age be the square of his birthday?
3. In which year will his age be the cube of his birthday?
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The probability of being born on a leap day is not \( \frac{1}{366} \)
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Teacher, do your students have access to computers such as tablets, iPads or Laptops? This page was really designed for projection on a whiteboard but if you really want the students to have access to it here is a concise URL for a version of this page without the comments: Transum.org/go/?Start=February29 However it would be better to assign one of the student interactive activities below. 

Here is the URL which will take them to a fantastic video that explains
why some years have an extra leap day and what it is for.