Count on an abacus
The abacus is one of the oldest existing counting tools in history, older even than written numbers! It may not look complex, but it’s an extremely quick way to count numbers. Find or make an abacus and post a video demonstrating how to use it.
Math
Step 1
The abacus is one of the oldest existing counting tools in history, older even than written numbers! It may not look complex, but it’s an extremely quick way to count numbers. Find or make an abacus and post a video demonstrating how to use it.
Final steps
You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!
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