In Looking for Pythagoras, students explore two important ideas: the Pythagorean Theorem and square roots. They also review and make connections among the concepts of area, distance, and irrational numbers.
Students begin the unit by finding the distance between points on a coordinate grid. They learn that the positive square root of a number is the side length of a square whose area is that number. Then, students discover the Pythagorean relationship through an exploration of squares drawn on the sides of a right triangle. In the last investigation of the unit, students apply the Pythagorean Theorem to a variety of problems.

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