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Activity
Curated OER

Solidly Platonic

For Teachers 9th - 12th Standards
When they do, they learn. Using this resource, young mathematicians learn about platonic solids by actually building, touching, and examining the shapes. They connect their observations about the shapes to Euler's formula.
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Lesson Plan
Curated OER

The Pythagorean Theorem

For Teachers 7th - 10th
Students research Pythagoras and learn how to apply his theorem. They solve real life problems using the theorem and demonstrate knowledge of exponents, equations, and radicals. Students include diagrams in their research papers.
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Lesson Plan
Curated OER

Square Roots Using a Carpenter's Square

For Teachers 6th - 8th
Students calculate the square root of a given number using carpenter's square measurements. In this math lesson plan, students relate this method on the Pythagorean theorem. They answer practice problems after the exploration activity,
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Lesson Plan
Curated OER

Plenty of Pythagoras

For Teachers 5th - 8th
Using a twelve foot knotted rope, students 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...
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Lesson Plan
Curated OER

Bill's Badge

For Teachers 6th - 8th
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.
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Lesson Plan
Curated OER

Trigonometry

For Teachers 8th
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.