Interactive
Quia

Quia: Introduction to Angles Concentration

For Students 3rd - 8th Standards
Use this website to practice angle definitions using a concentration game format.
Interactive
Quia

Quia: Introduction to Angles: Word Search

For Students 3rd - 8th Standards
Use this website to practice angle definitions using a word search format.
Activity
Houghton Mifflin Harcourt

Houghton Mifflin Harcourt: Saxon Activity Center Real World Investigation: Symmetry Around Us [Pdf]

For Students 3rd - 8th
Use this internet lesson to explore different types of symmetry in nature. Learners examine line symmetry, rotational symmetry, and bilateral symmetry. An integrated math, language art, and art lesson. Acrobat Reader required.
Handout
Other

Ostermiller.org: Between Curves Tools

For Students 9th - 10th
This site provides instructions for programs you can put into a graphing calculator to find the area between curves.
PPT
Sophia Learning

Sophia: Counterexamples: Lesson 7

For Students 9th - 10th
This lesson will help a learner understand counterexamples. It is 7 of 7 in the series titled "Counterexamples."
PPT
Sophia Learning

Sophia: Cpctc: Lesson 2

For Students 9th - 10th
This lesson will demonstrate the use of CPCTC in triangle congruencey proofs. It is 2 of 4 in the series titled "CPCTC."
PPT
Sophia Learning

Sophia: Using Equations to Describe Proportions

For Students 9th - 10th Standards
This lesson explains how proportional relationships can be described using equations.
Handout
Shmoop University

Shmoop: Dilation

For Students 9th - 10th Standards
Determine the meaning of dilation through the glossary entry.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Fractals

For Students 3rd - 8th Standards
Can you figure out what pattern comes next? Explore patterns and perimeter in this math challenge on fractals. A one page activity from the NCTM Math Challenges for Families collection.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: What's My Angle?

For Students 3rd - 8th Standards
Do people with big hands have larger angles between their fingers? See if you can find the answer this question when you try this math challenge on estimating and measuring angles. Discover how understanding angles and geometric shapes...
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EL Education

El Education: Get Bent

For Teachers 9th - 10th
This book was created by seniors at High Tech High in San Diego, California. During this three-month long project, teams of students created a chair with a bend or curve and a lamp of their own design. Following the completion of this...
Interactive
Varsity Tutors

Varsity Tutors: Aplus Math: Geometry Hidden Picture (Non Java)

For Students 3rd - 8th Standards
Uncover the hidden picture by correctly matching geometry terms to their corresponding diagrams. This fun interactive online game will have your students asking to practice their math!
Whiteboard
ClassFlow

Class Flow: Parallel Lines and Angles

For Teachers 9th - 10th Standards
[Free Registration/Login Required] This flipchart regards parallel lines and relationship of angles created by a transversal. Includes lesson on vocabulary, Jeopardy-style game, and quiz.
Whiteboard
ClassFlow

Class Flow: Perimeter & Area of Rectangles & Parallelograms

For Teachers 6th - 8th Standards
[Free Registration/Login Required] In this flipchart, students will investigate the area and perimeter of rectangles and parallelograms. This is an interactive lesson and also includes an assessment.
Whiteboard
ClassFlow

Class Flow: Perimeter With Division

For Teachers 3rd - 5th
[Free Registration/Login Required] This flipchart is an excellent introduction to Perimeter and an addition to division review integrated with the concept of perimeter. This flipchart features a great website link for additional...
Whiteboard
ClassFlow

Class Flow: Polygon Review

For Teachers 6th - 8th Standards
[Free Registration/Login Required] This flipchart provides a review of polygons and formulas for calculating perimeter and area in the form of assessment questions.
Whiteboard
ClassFlow

Class Flow: Proportions and Similarity

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Flipchart walks through the lesson on Proportions and similarity, as well as some of the theorems that support the concept.
Whiteboard
ClassFlow

Class Flow: Pythagorean Theorem

For Teachers 9th - 10th
[Free Registration/Login Required] This flipchart is a lesson on the Pythagorean Theorem. This has just about everything you need to teach the concept including, video, practice, and Activote assessment. In addition, there are two other...
Whiteboard
ClassFlow

Class Flow: Pythagorean Theorem Quiz

For Teachers 9th - 10th
[Free Registration/Login Required] This flipchart is a Pythagorean Quiz. This quiz goes with Pythagorean Theorem Lesson. There is also a flowchart that goes with this lesson.
Whiteboard
ClassFlow

Class Flow: Quadrilaterals

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This flipchart introduces students to quadrilaterals and how to classify them.
Whiteboard
ClassFlow

Class Flow: Quadrilaterals

For Teachers 3rd - 8th Standards
[Free Registration/Login Required] This flipchart introduces five special quadrilaterals and gives characteristics for each. Students can practice drawing quadrilaterals and independent practice is available on the last page.
Whiteboard
ClassFlow

Class Flow: Quiz Rounds

For Teachers 9th - 10th
[Free Registration/Login Required] In this lesson students test their understanding of algebra and geometry problems with a series of engaging quiz questions.
Whiteboard
ClassFlow

Class Flow: Segments and Polygons

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This flipchart reviews segments, parallel and perpendicular lines and then introduces polygons including quadrilaterals. It has many real world examples of shapes and includes Activote assessment.
Whiteboard
ClassFlow

Class Flow: Shape Naming Activity

For Teachers 3rd - 5th
[Free Registration/Login Required] This is a short activity designed as a starter for math class. Students are asked to match a shape to its name. Hints are provided that define each shape.