stella Math Forum - Problem of the Week stella

Growing Worms

In the land of Trianglia the worms are made of isosceles right triangles - and they grow fast! As you can see above, a worm that is 1 day old is made of 4 of these triangles. You can also see worms that are 2 days old and 3 days old.

Inspired by Navigating through Algebra in Grades 3-5, National Council of Teachers of Mathematics.

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