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Playlist: Bookmarks

Math Curiosity: Magic Squares

Imagine a 3×3 square in which every row, column, and diagonal have the same sum. That’s a magic square!

Fraction Puzzlers: Add and Subtract Fractions To Reach A Number

You only have six digits to form three fractions. Can you combine them to get to 0?

Writing Clear Directions

Can you write directions so clear that a group of kids can put a toy together with no illustrations?