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Binary Birthday Magic Trick Starter

A simple starter to get students thinking about Binary numbers

Claire Wicher

Created by Claire Wicher
last edited Apr 16 2018 by Claire Wicher


The Binary Birthday Magic Trick is an exciting starter activity to get students thinking about Binary numbers.

If possible you may wish to print paper copes of the first slide for each student.

Hint: Once a student tells you which cards their birthday number appears on, add up the card numbers on the third slide to find their birthday!

Level: Beginner

Duration: 10 minutes

Teaches: binary numbers, numeracy

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