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Never 2 Without 3

One number. That’s all you need to figure out which objects were picked!

A few tokens, multiplications and a single piece of information unveiled. Abracadabra! The magician has found the objects that were picked by each of the spectators.  

With this trick, younger children get to understand the difference between even and odd numbers. Add a tad of arithmetic, some trial and error, and they’ll be on their way to discovering the secrets behind this trick and becoming mathemagicians!  

  • This trick is easy to recreate and ideal for introducing the properties of numbers (parity) in multiplication. It is considered advanced for grade-3 students because it contains multiplications by 2 and 3 (it is possible to use repeated addition). The trick “Red or Yellow” follows this one nicely.

  • Planning notes