Pythagoras Teacher Resources

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Students explore the Pythagoras theorem. In this geometry instructional activity, students make right triangles and identify the parts of the triangle. Students complete measurements of the sides of the triangle.
Students investigate the Pythagorean Theorem.  In this seventh through twelfth grade geometery lesson plan, students explore the Pythagorean Theorem and its converse and use it to find the length of the missing side of a right triangle.
Review six major contributions made by the Ancient Greeks. Greek drama, poetry, history, sculpture, science, and mathematics are all very briefly covered. Activities to complete with the class are included.
Eighth graders practice calculating the unknown length of a right angle triangle. They also examine the pythogoram theory in groups. They help each other work through the problems.
Fifth graders explore ways to measure the height of an inaccessible object. They measure lengths using a tape measure or ruler. Students measure angles using a protractor and estimate heights.
Students create patterns using different scales. In this algebra lesson, students apply the concepts of art to creating different designs. They use different sizes to explore the concept of scales.
Fifth graders use cos to solve problems involving right-angled triangles. They solve equations of the form cos(++) = a, for a between -180 and 360 degrees. They state the value of cos(++) in special cases and graph y = cos(++).
Students explore the making of circles and concepts related to them in geometry. The project is inquiry based will focus upon students making their own nametags. The construction is ideal for hands on students.
Fifth graders solve a problem by using systematic problem solving strategies. They determine if there is enough information to solve the problem. They solve a problem involving geometric shapes and area.
Learners classify triangles and make connections regarding angle measurements and attributes of acute, right, and obtuse triangles. They listen to teacher define and explain triangles. Everyone imagines a place where a broken wing for a spaceship needs to be built and pupils make decisions about which type of triangles will fix the wing. 
Sixth graders problem solve the square peg in the round whole problem by applying knowledge of the formulas for the areas of the circle and the square. They decide on a problem solving strategy based on logical reasoning.
What a neat concept; kids discover the Pythagorean Theorem as they work together to create a class quilt! Use these tips to explain the theorem, and kids participate in a scavenger hunt for right angles. Display the "Shoo Fly" quilt design, which includes many right angles. There are steps to help you demonstrate the quilt square pattern to mathematicians before they create one of their own on paper. Learners use the paper as a pattern, cutting out the fabric pieces and calculating the area of each. Encourage collaboration once all squares are finished by challenging the class to lay out their pieces and come up with a design for the quilt.
Learners discover that side measurement is used in determining angle classification of a triangle. By squaring sides, they predict whether triangles be right, obtuse, or acute. They prove the Pythagorean Theorem and use it to solve problems.
Students practice using the Pythagorean Theorem. In this Pythagorean Theorem instructional activity, students utilize diagrams, measurement and illustrations to find the missing length a of triangle. Students use real world examples such as the Federal Triangle to practice.
In this Pythagorean Theorem worksheet, students use the Pythagorean Theorem to find the length of the unlabeled side of the right triangle. There are 8 problems all together.
Young scholars explore the concept of the Lute of Pythagoras.  In this Lute of Pythagoras lesson, students construct the Lute of Pythagoras on their Ti-Nspire. Young scholars use circles, segments, lines, points, and regular polygons to construct the Lute of Pythagoras.
In this Pythagorean Theorem worksheet, students use the Pythagorean Theorem to determine the length of a missing side. They calculate surface area of a prism. This two-page worksheet contains 4 multi-step problems.
Using a twelve foot knotted rope, young scholars form a 3-4-5 right triangle. Following a discussion of observations about the lengths of the sides of the triangle, students use grid paper, scissors and a centimeter ruler to draw and measure sides of more right triangles.
In this find the missing side of the right triangle activity, students use the Pythagorean theorem to find the missing side, given the other 2 lengths, for 4 triangles.
Using the Pythagorean Theorem to solve for missing angles, learners evaluate right triangles and their properties.

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