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Winter, Christmas & New Year's Triangles & Pythagorean Theorem

Shop fun, minimal-prep triangles and the Pythagorean theorem winter, Christmas, and New Year's math lessons, activities, and worksheets. Celebrate holidays like Christmas, Hanukkah, and New Year's Day. You can use them other times, too. Practice the Pythagorean theorem and use it to find the length of sides in triangles.