Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Building Shapes

For Teachers 3rd - 5th Standards
Based on building a hexagon, this activity from the Math Forum collection focuses on using different combinations of pattern blocks to create a hexagon. An online activity, pencil and paper method, literature connections, and a...
Interactive
Starfall

Starfall: Puzzles

For Students K - 1st
In this interactive students click on one of the black statues to break them down into shapes; then they reconstruct the statue by putting the puzzle pieces together, which shows the animal that it represents and replaces the statues...
Lesson Plan
Alabama Learning Exchange

Alex: Tan Ii

For Teachers K - 1st Standards
The Chinese character mark for Tan II (pronounced she-tow-bah) is the second of two lessons to introduce first grade students to geometry using tangrams. This lesson incorporates history, math, and language arts. In this lesson students...
Lesson Plan
Alabama Learning Exchange

Alex: "Tan"

For Teachers K - 1st Standards
The Chinese character mark formerly known as "Tan" is the first of two lessons to introduce first grade students to geometry using tangrams. This lesson incorporates history, math, and language arts. In this lesson students will be able...
Lesson Plan
PBS

Pbs Learning Media: Math + Arts: Geometric Quilts

For Teachers K - 1st
In this instructional activity, students will create a class quilt of nine patch paper quilt blocks using geometry.
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 instructional activity engages students in various hands-on activities to explore the relationship between regular polygons and the number...
Handout
Cuemath

Cuemath: Midpoint Theorem

For Students 9th - 10th Standards
A comprehensive guide for learning all about plane shapes with definitions and solved examples.
Activity
Beacon Learning Center

Beacon Learning Center: Anglemania!

For Students 3rd - 5th Standards
Students explore four types of angles in this interactive web lesson.
Lesson Plan
Better Lesson

Better Lesson: Tri, Tri, Tri Angle!

For Teachers K Standards
Kindergarteners love to identify shapes in their environment. In order effectively do that, they must be able to recognize different shapes by their specific attributes. In this lesson kindergartners learn about different types of...
Handout
The Math League

The Math League: Figures and Polygons

For Students 9th - 10th Standards
This site provides definitions of different types of polygons and figures.
Activity
National Council of Teachers of Mathematics

The Math Forum: Line Symmetry

For Teachers 3rd - 5th Standards
This site from The Math Forum is a great site if you are looking for activities to engage your students in learning about line symmetry. Peruse this collection of activities for one or two or four that would be right for your students....
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...
Unknown Type
That Quiz

That Quiz

For Students 3rd - 8th
ThatQuiz is an excellent assessment tool for teachers and students. At this site, teachers can create individualized or group assessments on a variety of math topics. Students take these practice assessments directly online and receive...
Unknown Type
Khan Academy

Khan Academy: Area and Perimeter on the Coordinate Plane

For Students 9th - 10th Standards
Find the area or perimeter of shapes like triangles, rectangles, parallelograms, and hexagons on the coordinate plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Finding Angle Measures Between Intersecting Lines

For Students 7th - 8th
Use your knowledge about angles to find missing angle measures in various situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.