Activity
Maths Challenge

Maths challenge.net: Shaded Area

For Students 3rd - 8th
A "one star" geometry problem that requires problems solving skills and exercises ones visual-spatial abilities.
Activity
Maths Challenge

Maths challenge.net: Children in a Circle

For Students 3rd - 6th
A "one star" geometry problem that requires problems solving skills where drawing a picture might help with the answer.
Activity
Maths Challenge

Maths challenge.net: Perimeter Sequence

For Students 3rd - 6th Standards
A "one star" geometry problem that requires finding the visual pattern and applying logic with basic math skills to find the perimeter from the sequence.
Activity
Maths Challenge

Maths challenge.net: Counting Triangles Again

For Students 3rd - 6th Standards
A "one star" geometry problem that requires finding the visual pattern and applying logic with basic math skills to find triangles in a pattern.
Activity
Maths Challenge

Maths challenge.net: Pathed Pathways

For Students 3rd - 8th Standards
A "one star" geometry problem that requires visualizing to find how many different patterns can be made.
Website
Other

Java Sketch Pad

For Students 9th - 10th
Finally, an interactive Sketchpad for geometry that is free! Students are able to understand various theorems, definitions, and objects through observations and explorations using an interactive applet.
Lesson Plan
PBS

Pbs: Mathline: Tessellations Wow! [Pdf]

For Teachers 3rd - 5th
An integrated geometry lesson on spatial sense in which students identify and use different shapes to create a tessellation. "Through a variety of modalities such as writing, music, art, poetry, and literature, students are introduced to...
Lesson Plan
PBS

Pbs Mathline Lesson Plan: Struts'n Stuff [Pdf]

For Teachers 3rd - 5th Standards
Incorporating concepts in algebra, number sense, patterning, data collection, and geometry, this lesson engages students in various hands-on activities to explore the relationship between regular polygons and the number of diagonals...
Lesson Plan
PBS

Pbs Mathline Lesson Plan: Sidewalk Capers [Pdf]

For Teachers 3rd - 5th
The objective of this lesson is for students to, "explore spatial relationships by determining the area of various shapes and creating tessellation patterns." Using a variety of hands-on activities, students apply concepts of geometry,...
Handout
Geometry Help

Geometry Help: Polygons

For Students 9th - 10th Standards
Explains the basic concept of polygons with examples.
Handout
Geometry Help

Geometry Help: Pentagons and Hexagons

For Students 9th - 10th Standards
Explains the basic concept of pentagons and hexagons with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Handout
Geometry Help

Geometry Help: Kites (Deltoids)

For Students 9th - 10th Standards
Explains the basic concept of kites with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Activity
Maths Challenge

Maths challenge.net: Christmas Trees

For Students 9th - 10th
Find how many Christmas trees can be planted using your conversion and geometric knowledge.
Interactive
Math Is Fun

Math Is Fun: Animated Polyhedron Models

For Students 9th - 10th
Use this tool to see animated models of over 100 different types of polyhedra. There are five options for how they appear, and you can also see the net, 'explode' the solid so that the faces are separated, or drag it to rotate it...
Lesson Plan
Alabama Learning Exchange

Alex: Cutting the Cheese

For Teachers 6th - 7th Standards
The students will find the area of each two dimensional figure on a net of a triangular prism. In groups, students will cut out the net and create a triangular prism. Groups will then discuss how to find the lateral area and the total...
Lesson Plan
Alabama Learning Exchange

Alex: Thinking Outside the "Box"

For Teachers 6th - 8th
The learners will find the area of each two dimensional figure on a net of a rectangular prism. In groups, students will cut out the net and create a rectangular prism. Groups will then discuss how to find the lateral area and the total...
Lesson Plan
PBS

Pbs Mathline: Mirror, Mirror Lesson Plan [Pdf]

For Teachers 3rd - 8th
Determine which regular polygons tessellate by using mirrors. Printable lesson.
Lesson Plan
PBS

Pbs Mathline: Bubble Mania Lesson Plan [Pdf]

For Teachers 3rd - 8th
Determine the area, diameter, and circumerfence of a bubble residue by creating a soap solution and blowing bubbles.
Lesson Plan
Homeschool Math

Homeschool Math: Lines, Rays, and Angles

For Teachers 4th - 5th Standards
This fourth-grade geometry lesson teaches the definitions for a line, ray, angle, acute angle, right angle, and obtuse angle. We also study how the size of the angle is ONLY determined by how much it has "opened" as compared to the whole...
Activity
Homeschool Math

Homeschool Math: Perimeter

For Teachers 3rd - 4th Standards
This video geometry lesson [6:14] explains the concept of perimeter and has varied exercises for students to practice.
Study Guide
Other

New York State Education Department: Seventh Grade Math, Book One (2006) [Pdf]

For Students 6th - 8th
Part one of two; The March 2006 7th grade Math test from the State of New York. The test is 30 multiple-choice questions ranging among topics such as number sense (scientific notation, factors), geometry (shape identification, nets),...
Lesson Plan
PBS

Pbs: Mathline: Let's Face It [Pdf]

For Teachers 5th - 8th Standards
Check out this math project about polyhedra! Young scholars will enjoy the hands-on activity while they learn about tetrahedrons, hexahedrons, octahedrons, dodecahedrons, and icosahedrons. [Requires Adobe Reader.]
Lesson Plan
PBS

Pbs Mathline Lesson Plan: Mirror, Mirror [Pdf]

For Teachers 3rd - 5th
The goal of this PBS lesson is for young scholars to apply spatial reasoning, problem solving, and critical thinking skills to assess which regular polygons will tessellate. A detailed lesson plan that includes related worksheets, lesson...
Unit Plan
Other

Inside Penciling Comics: Two Point Perspective

For Students 9th - 10th
On this website you can learn how two point perspectives are used to create pictures in comic books.

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