# Points Lines and Planes

Points Lines and Planes in Geometry is the lesson that many teachers skip or fly through because they “assume” (in huge air quotes) that the students know what these things are before they get to high school geometry. Unfortunately without a great understanding of points lines and planes, it’s almost impossible for them to grasp […]

# Tessellation Project

This is my absolute favorite lesson in Geometry (Right in front of my second favorite lesson Dance Dance Transversal)! We do a week long project where the students create a poster board sized work of art using the Tessellations they create. The best way to do this project is to collaborate with the art teacher […]

# The Unit Circle – Hand Trick

IMPORTANT! This activity is a SUPPLEMENT to your lesson on the Unit Circle. Your students must know how to create it using Special Right Triangles. This activity is meant to create a recall point for your students. Meaning, something exciting to remember the lesson by and its importance. So when they hear the terms Unit Circle […]

# Pi Day Top 5 for Geometry Teachers

Pi Day 2023 is here! Don’t be that math teacher that doesn’t do a Pi Day lesson. Below are our Top Five Pi Day resources to get you started. We list our Top 5 Favorite Pi Day videos, websites, and activities. We also give you a bunch of Free Pi Day Worksheets from our curriculum. […]

# 3 Ways to Make Your Life Easier as a Geometry Teacher Without More Geometry Worksheets

Teaching Geometry is one of the most difficult subjects to teach. Not because of the reasons you’d think though. It’s not because most kids are told how hard it is before they ever take it, it’s not because you have to teach kids proofs, it’s not because its different than all of the other math […]

# Reasoning and Proof

Before your ever start a lesson on Reasoning and Proof you must understand 2 very important things. First, your students will not like proofs. For the most part even your absolute best students will strongly dislike proofs. Secondly, don’t start with proving mathematical concepts! Do your students hate proofs? Your students don’t have to dislike […]

# Geometry Games – Dance Dance Transversal

While on Pinterest yesterday I ran across some amazing Geometry Games on Parallel Lines and Transversals! Here is my favorite! A game called Dance Dance Transversal! Yes is it a play off the popular video game Dance Dance Revolution. Here is what you will need for this Geometry Game A Roll of Tape A Big Empty Room […]

# Planning a Proof

Planning a Proof in Geometry is one of the most nerve racking subjects in the course. For the average student who will never be a math major or professor, being able to write a mathematical proof from scratch is not all that important. All of the standardized test only require that the students be able to […]

# Triangle Congruence by SSS and SAS

Before you can ever start with proofs your students need to have a clear understanding of what makes sides and angles of triangles congruent. This lesson on Triangle Congruence by SSS and SAS is one of the more memorization based lessons to teach. With that said the only way to memorize something and master is […]

# Pythagorean Theorem – NFL and Geometry

“A Squared plus B Squared equals C Squared” Over and over and over again. We pound it (The Pythagorean Theorem) into their young minds until it’s impossible that they forget it. There are two ways to teach this. It can be taught to the test and memorized with no recall as to when to use […]

As we all know Math concepts build on each other. When it comes to Measuring Segments and the Segment Addition Postulate there are multiple lessons we must pull together to teach this lesson. The videos below do an excellent job of explaining measuring segments using the following methods. Ruler Postulate – Segment Addition Postulate –

# Two Tips to Teach Volumes of Prisms and Cylinders

I have seen so many math teachers that destroy this lesson because they cannot draw the shapes that they are teaching. One of which was a college professor of mine. As a student this is distracting. Not only are they trying to learn the materials that you are teaching but they are also trying to […]

# Parallel Lines and Transversals

When it comes to teaching your students about Parallel Lines and Transversals its all about the visuals! Here are our Top 3 Favorite YouTube videos to assist in teaching this very lengthy lesson. 1.) Start with the Basics when Teaching Parallel Lines and Transversals Before you can ever go into the details of the types of […]

# Nets and Drawings for Visualizing Geometry – Geometry Nets Project

For most Geometry Teachers, Geometry Nets and Drawings for Visualizing Geometry is the first lesson of every new school year. We want to make sure you start the year off right so we are going to give you some tips and other free resources to help you get the year started off with a great […]

# How to Teach Perimeter and Area of Similar Figures – in Jay Leno’s Garage

This can be a fun lesson because you can discuss modeling! No, not like runway models. Models like the little cars we used to build as kids or those 3D puzzles of buildings. That old mustang model car you put together as a kid then purchased and re-built the exact real car as an adult. […]

# How to Create a Jeopardy Game

There are tons of ways to review for test, quizzes, or even just the previous days lesson. However, if you want their very best performance Jeopardy is definitely the way to go. How to Create a Jeopardy Game: The Top 3 1. Flippity: http://www.flippity.net/ ++ Flippity has many games you can create. – + You have to […]

# Special Right Triangles – The Foundation of Everything Trig

Well, it’s that time of the year! As you know your lesson on Special Right Triangles will not only be the foundation for everything trigonometry moving forward but it’s also something that their Algebra 2, Pre-Calculus, and Calculus teachers are heavily relying on you to teach them. Teaching the Unit Circle is hard enough if […]

Teaching your students vocabulary is something that is often overlooked but probably THE MOST IMPORTANT PART OF GEOMETRY! Allow me to explain… The normal routine is… Give the students a list of words for the chapter. Have them look them up in the back of the book. Copy them onto the paper. Use the words […]

# The Magic Octagon – Understand Congruence in Terms of Rigid Motions

Before we go into this amazing lesson that will have your students so engaged you won’t be able to get them to stop talking about it the rest of the day, let me show you the standard in which the lesson is based on. Understand congruence in terms of rigid motions. Understand Congruence in Terms of […]

# Teaching Strategies for your Inclusion Geometry Class without an Intervention Specialist

The first thing you have to do is mentally accept the fact that you are going to have to teach two courses in one. It really helps to imagine that your child is the smartest student in your class and also the lowest student in the class. If it was your son or daughter how […]

# How to Teach the Properties of Quadrilaterals

Introducing the concepts of quadrilaterals to kids can be a very challenging task. Different children have different learning capacities, which makes teaching that much more complicated. Some kids may understand the basics of geometry in just a few moments, while other kids may not have a clue of what you are talking about. In this […]

# How to make Geometry Interesting

Most students face problems in school especially in Geometry class. Being a teacher, the most important thing for you is to make sure that the concepts are clear enough. We all know that Geometry is not everybody’s cup of tea. Students face a number of difficulties in solving Geometrical problems and hence turn in a below average result. Here are […]

# How to Teach Circles Using the Common Core Standards?

Here is a great video to assist you in starting your lessons on circles. We all know the standards have changed and this one specifically is a head ache due to the algebra 2 that is involved. CCSS.Math.Content.HSG-GPE.A.1 Derive the equation of a circle of given center and radius using the Pythagorean Theorem; complete the square to […]

# Full Year of Geometry Lesson Plans

Our Geometry Teachers member area is now open! Get unlimited access to every lesson plan, presentation, worksheet, activity, PowerPoint, video, test, quiz, assessment and resource we have ever published on the site! Click the link below to get started with a Full Year of Geometry Lesson Plans!CLICK HERE TO GET INSTANT ACCESS NOW!!

# How a Rock Star Geometry Teacher Uses the iPad to Educate

Let’s face it, being a teacher now is nothing like it was 10 years ago. Scratch that, 4 years ago! That was when the seniors now were freshmen. How do things change so quickly?   Rather than talk about the things that stress us out as Geometry Teachers with all of the recent standard […]

# Are you a Geometry Teacher with No Textbooks or Geometry Worksheets?

Does your school use textbooks older than your students? Do they use textbooks at all?   I got this email from a GeometryCoach.com email subscriber.   I don’t know about you but I’m in a district that has no textbooks and I’m the only person teaching Geometry. As a new teacher to the district (not […]

# Geometry Lessons | The Game Has Changed | Common Core Standards

You all know by now that with the common core standards our geometry books, as out dated as they already were, are now useless. Everything we have done whether it be as a 20 year veteran or a 1st year rookie teacher has to be changed. Is this a bad thing? That remains to be […]

# Teaching Dimensions with Super Mario – Geometry

This is one of my favorite lessons to teach because it is all around us and they know exactly what they are and don’t know it. Teaching Dimensions is fun using video games! How to Teach Dimensions Let’s start with a One Dimensional Lines. Simple, it’s the distance between two points. Every time we measure […]