This episode brings us a new challenge –
Here is an analog clock with the numbers 1 through 12 on it.

The Challenge
Using 2 pencils, try to divide the clock into 3 parts so that the numbers
add up to equal sums in each part.

In your class, students can try to find the solution by trial and error, however, with a simple clue they will be able to solve the problem with addition and division.