Math
Share your creation with other DIYers!
Complete this activity and collect!
What is it?
There are clever tricks to speed up just about everything. Memorize a mental math trick, find an awesome way to count on your fingers, or practice interesting ways of multiplying big numbers. Teach and share your trick with a video.
Instructions
Final steps
You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!