Geometry

Geometry is the mathematical study of shape, size, relative position of figures, and the properties of space. 
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Home for the Holidays:  Navigating with Angles
Home for the Holidays: Navigating with Angles

Lesson

This lesson helps 7th graders apply their knowledge of angle relationships (supplementary, complementary, vertical, adjacent) to real-world travel scenarios. They'll write and solve equations to find...

Building Up! Growing Patterns in Towers
Building Up! Growing Patterns in Towers

Lesson

This lesson helps 2nd graders understand "growing patterns" by building towers with blocks, where each level has more blocks than the last. They'll then design their own towers with unique growing...

Tree-mendous Angles!
Tree-mendous Angles!

Lesson

This lesson helps 3rd graders explore angles (right, acute, obtuse) by designing Christmas trees with specific angle requirements using protractors. They'll also practice identifying these angles in...

Pumpkin Decorating & Sphereical Volume
Pumpkin Decorating & Sphereical Volume

Lesson

Students will engage in a pumpkin decorating contest to explore finding the volume of spheres, or in this case, approximating to real-world spherical objects.

Converse of the Pythagorean Theorem
Converse of the Pythagorean Theorem

Lesson

This lesson explores the converse of the Pythagorean Theorem, which reveals that certain side length relationships can confirm a right triangle. Students will investigate triangle side lengths, apply...

Translations with Preimages
Translations with Preimages

Lesson

Students will be able to define and identify basic transformations (translations, rotations, and reflections), describe the effect of a single transformation on a pre-image, and apply a sequence of...