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Geometry – The Basics & Beyond

How to win friends and influence people (if friends and "people" are impressed by words like isosceles).
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Content

Platform: Udemy
Video: 4h 43m
Language: English
Next start: On Demand

Table of contents

Description

The demand for my basics course was so high, I decided to expand it and charge a small fee for the extra time and effort for pulling these lectures and external resources together. The first expansion includes explanation and practice for about a quarter of the Common Core standards. Specifically it includes all the “Congruence” standards which encompasses the new focus on transformations as well as a lot of traditional two column proofs. Eventually I hope to make it to make it through all of the Common Core standards – either here or in other courses.
THE BASICS – The original Course:
Having taught Geometry for almost a decade, I’ve learned that one of the biggest challenges is simply the vocabulary. This first (and original) section is a very broad overview of Geometry and the language that it uses. If you’ve never heard this vocabulary, this will introduce it. If you have, this will reinforce it and put it into context.
Said another way there are a few different kinds of students who would benefit from this section:
•Those who are about to take Geometry •Those who are taking Geometry and want a review or another perspective •Those who are curious as to the overall nature of Geometry but not wanting to take time for an entire course Some of the vocabulary and concepts discussed are used in every day conversations, whereas others are specialized and not usually found in everyday conversation (I’m looking at you, hypotenuse!). Some of these terms SHOULD be familiar while others will not be. The course also includes a lot outside resources to practice as well as Udemy-style quizzes.
There’s an old joke about what you remember from a college course five years after you’ve taken it. For Economics, it’s supply and demand. For Chemistry, it’s the periodic table is the organization of the elements. For English Composition, it’s always start with an outline. This limited course is along those same lines: it will give you the general feeling for topics in Geometry without many of the details.
The first section could be watched in one sitting if you don’t do any of the exercises. A better way to take it would be to target one day for a week to watch one video (less than 10 minutes) and then spending 20 minutes after each lecture to explore the additional material that’s included.
SECTION 2 – Common Core Congruence Standards
First, a word about Common Core. IF you live in a state that has rigorous Mathematical Standards, Common Core is simply a nationalized version of a variation of what has been taught over the last 20 years. It stresses some new topics and ignores some traditional stuff, but it’s simply a road map for a GIANT TOPIC. In 180 school days, only so much can be learned about any given field – these standards attempt to point out what’s important and what’s not: Both in general and related to what will be on State/National assessment tests.
There are 13 standards related to “Congruence” in the New Common Core and this section explains (at varying levels of depth in it’s first iteration) all of them. I attacked this first because it had transformations in it and it was the one topic I knew I would have to do a fair amount of research on before I could teach it.
This section is primarily for students:
•Interested in learning more about transformations and why they have become a new item of importance •Need more and different examples of two column proofs and strategies for solving these.

You will learn

✓ SECTION 1
✓ Master the vocabulary needed for success in a Geometry class
✓ Describe a polygon, give examples and non-examples
✓ List the basic parts of a circle
✓ Calculate the area and perimeter of rectangles and triangles
✓ Describe the concepts of perimeter, area, and volume
✓ Calculate the volume of a right prism (given the area of the base)
✓ Categorize angles, triangles, and undefined terms by sight
✓ Name angles, rays, lines, and segments using symbolic shorthand
✓ SECTION 2
✓ Apply the concepts of precise definitions and counter-examples
✓ Construct items such as perpendicular segment bisectors using both electronic tools and paper, compass, straight-edge and-pencil
✓ Define rotations, reflections, and translations in terms of angles, circles, perpendicular lines, parallel lines, and line segments.
✓ Determine the image produce by a series of transformations
✓ Use transformation to prove SSS, SAS, ASA, and AAS
✓ Determine the series of transformations required to create a particular image (given a pre-image)
✓ Use transformations to prove congruency of shapes
✓ Use two-column proofs to prove theorems about triangles, quadrilaterals, and parallel lines

Requirements

• This course only assumes basic english fluency and basic numerical fluency.
• A notebook for taking notes is always a good idea
• Many of the supplemental exercises are on the internet and will require internet access but not particular browser or software is required.
• A positive mental attitude (and a full house) beats a bad attitude (and a straight) any day of the week

This course is for

• This course is meant for those wanting to explore introductory concepts at a high level. This would include a student who is about to take a geometry class, is feeling behind in their geometry class, or is wanting review before an end of semester exam. This class covers most of the vocabulary and concepts related to shapes, area, perimeter, volume, and angles.
• Students looking for a more in-depth course should NOT take this course. This basic review does NOT cover proof, trig, pythagorean theorem, transformations, or extensive calcuations.
Teacher of Mathematics and Computer Science
Teaching is something I came to a little later in life. My first love was technology and that’s what my Duke degree is in. I’ve kept one foot in the programming world most of my life. But several years after graduating, I realized something else was calling me and strangely discovered it was the desire to teach. I went back to school and got a Masters in Education and a Teacher Certificate – and that’s what I’ve been doing for most of my adult life.
I’ve worked in the public and private sector. I’ve worked with students of all races and socio-economic backgrounds. My primary subjects have been Math and Computer Science although I like to think I teach a lot about how to be a good student [We’re all life-long learners!!]. I did a year stint in Hungary as English as a Second Language teacher and an even shorter volunteer job teaching fractions to 3rd graders using my limited Bahasa in Jakarta.
I recently returned to the programming world for a change of pace but there’s that tug to teach again (and all this Math knowledge slipping away!). The courses I’m providing are an attempt to feed my teaching desire, share the knowledge I’ve gained, and let me explore the snowballing phenomenon of MOOCs.
Platform: Udemy
Video: 4h 43m
Language: English
Next start: On Demand

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