Eric Douce

 (64)
United States - Texas - Frisco
Eric Douce
4.0
234 votes
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By Eric Douce
This is a triangle congruence matching activity that I've used in my class as a two person matching activity. I've used this at the end of class to see if students knew how to solve these problems and as a warm up lesson to start off the day.
Subjects:
Geometry
Grades:
8th, 9th, 10th, 11th
Types:
Activities, Fun Stuff, Cooperative Learning
$1.49
29 ratings
4.0
Digital Download DOCX (0.07 MB)
By Eric Douce
This is a concept map for classifying triangles that needs to be filled in by students. I have something like a family tree for classifying triangles by angles and by sides. I put an answer bank at the bottom with all the terms the students need
Subjects:
Geometry
Grades:
5th, 6th, 7th, 8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Handouts
$0.99
30 ratings
4.0
Digital Download PDF (0.01 MB)
By Eric Douce
This worksheet is only over 30-60-90 special right triangles. I have 2 example problems at the top of the page. One example is for if given the hypotenuse, find the missing legs. The other example is for if given the side (x sq rt 3), find the short
Subjects:
Geometry
Grades:
8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Handouts
$1.49
11 ratings
4.0
Digital Download PDF (0.17 MB)
By Eric Douce
I use this worksheet as notes for proving triangle congruence using SSS, SAS, ASA, AAS, and HL. This is a quick and easy way to talk about the differences between each theorem/postulate. I mark up congruent sides with the same number of tick
Subjects:
Geometry
Grades:
8th, 9th, 10th, 11th
Types:
Worksheets, Handouts
$1.49
13 ratings
4.0
Digital Download PDF (0.15 MB)
By Eric Douce
This worksheet has an assortment of 45-45-90 and 30-60-90 special right triangle problems. There are a total of 14 various problems ranging from easy to hard. Visit www.doucehouse.com for additional geometry resourses.
Subjects:
Geometry
Grades:
8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Handouts
$1.49
9 ratings
4.0
Digital Download PDF (0.20 MB)
By Eric Douce
This worksheet is over Pythagorean Triples. I have 2 examples explaining what Pythgorean Triples can be along with a definition of Pythagorean triples: 3 positive integers that balance out the Pythagorean theorem. I have 3 examples of what
Subjects:
Geometry
Grades:
6th, 7th, 8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Minilessons, Homework
$1.49
13 ratings
4.0
Digital Download PDF (0.12 MB)
By Eric Douce
This quadrilateral flow chart puts all the properties of the different types of quadrilaterals that I know onto one well-organized worksheet loaded with tons of information. I've made this a word document because I realize there might be more or
Subjects:
Geometry
Grades:
6th, 7th, 8th, 9th, 10th, 11th, 12th
Types:
Handouts, Graphic Organizers, Posters
$1.49
14 ratings
4.0
Digital Download DOCX (0.08 MB)
By Eric Douce
These notes are for 30-60-90 special right triangles. I give a little background behind why they are called special right triangles. I give a 3 step process on how to find missing side lengths. I allow you the opportunity to do 1 example, then
Subjects:
Geometry
Grades:
7th, 8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Handouts
$1.99
11 ratings
4.0
Digital Download PDF (0.40 MB)
By Eric Douce
This worksheet is a great resource to help students understand all seven properties that can be used to prove a quadrilateral is a parallelogram. I used this worksheets as part of a review my students did on my website, www.doucehouse.com. If used
Subjects:
Geometry
Grades:
8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Internet Activities, Homework
$0.99
12 ratings
4.0
Digital Download PDF (0.15 MB)
By Eric Douce
This worksheet is only over 45-45-90 special right triangles. I have 2 example problems at the top of the page. One example is for if given a leg, find the missing leg and hypotenuse. The other example is for if given the hypotenuse, find the
Subjects:
Geometry
Grades:
8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Handouts
$1.49
8 ratings
4.0
Digital Download PDF (0.16 MB)
By Eric Douce
This quiz is a word document so you can modify the quiz if you want. There are some helpful hints on the top of the page that you might not want on your own quiz. This quiz has a total of 5 special right triangle problems on it. There are two
Subjects:
Geometry
Grades:
6th, 7th, 8th, 9th, 10th, 11th, 12th
Types:
Examinations - Quizzes, Test Prep
$1.49
9 ratings
4.0
Digital Download DOCX (0.16 MB)
By Eric Douce
This page of notes is compact and full of everything you need to know about perpendicular and angle bisectors. I taught these notes to my students, and it took them no time to understand everything there is to know about bisectors. These are great
Subjects:
Geometry
Grades:
8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Handouts
$1.49
5 ratings
4.0
Digital Download PDF (0.19 MB)
By Eric Douce
This worksheet is all about proving quadrilaterals are parallelograms. I start easy and work up to more challenging problems. I used this worksheet as part of a review for my students on my website, www.doucehouse.com. I hope your students enjoy
Subjects:
Geometry
Grades:
6th, 7th, 8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Internet Activities, Homework
$0.99
8 ratings
4.0
Digital Download PDF (0.15 MB)
By Eric Douce
This worksheet is a follow-up to my Parallel Angle Relationships Practice worksheet I have on TpT. This worksheet has the kids label the parallel angle relationship, and find the missing angle 'x' on each problem. I've found out that since this
Subjects:
Geometry
Grades:
8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Handouts
$1.49
7 ratings
4.0
Digital Download PDF (0.14 MB)
By Eric Douce
These two pages are notes for finding missing sides of a right triangle using the Pythagorean theorem. The first page is for finding the hypotenuse, 'c', and the second page is for finding a missing leg, 'a' or 'b'. I provide one example problem
Subjects:
Geometry, Basic Math
Grades:
5th, 6th, 7th, 8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Minilessons
$1.49
6 ratings
4.0
Digital Download PDF (0.17 MB)
By Eric Douce
This worksheet has 29 problems that slowly build into solving for multi-step solving for 'x' problems. I start with simplifying problems, solving for 'x' in 1-step, then solving for 'x' with multiple steps. I end the worksheet with 2 word problems
Subjects:
Algebra, Geometry, Order of Operations
Grades:
6th, 7th, 8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Handouts
$2.49
3 ratings
4.0
Digital Download PDF (0.33 MB)
By Eric Douce
This worksheet is over proving if a triangle is a right triangle or not. I explain in two examples what has to happen in the Pythagorean theorem for 3 side lengths to make a right triangle. If the Pythagorean theorem balances out, then it is a
Subjects:
Geometry
Grades:
5th, 6th, 7th, 8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Minilessons, Homework
$1.49
3 ratings
4.0
Digital Download PDF (0.13 MB)
By Eric Douce
This worksheet are notes to cover the following angle relationships: Congruent Angles: vertical angles, alternate interior angles, alternate exterior angles, corresponding angles Supplementary Angles: linear pairs, consecutive (same-side) interior
Subjects:
Geometry
Grades:
8th, 9th, 10th, 11th, 12th
Types:
Lectures, Worksheets, Handouts
$1.49
3 ratings
4.0
Digital Download PDF (0.22 MB)
By Eric Douce
This page of notes is compact and full of everything you need to know about medians and altitudes. I taught these notes to my students, and they really understood the concepts quickly with a variety of practice problems. These are great for
Subjects:
Geometry
Grades:
8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Handouts
$1.49
2 ratings
4.0
Digital Download PDF (0.24 MB)
By Eric Douce
Included in this worksheet are 3 problems where the student needs to find the midpoint or endpoint on a number line. The remaining 7 problems involve the students finding the missing midpoint or endpoint using coordinates. There are a total of 5
Subjects:
Geometry
Grades:
7th, 8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Handouts
$1.49
3 ratings
3.9
Digital Download PDF (0.12 MB)
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4.0
Total:
234 total vote(s)
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TEACHING EXPERIENCE

This is a shared account for my wife, who teaches biology and chemistry, and me, who teaches geometry. She has taught 9th-12th grade sciences. I've taught only 10th grade math. My wife has taught all the core sciences the last 4 plus years depending on what the school needed. I've taught geometry my 4 plus years.

MY TEACHING STYLE

Visit www.doucehouse.com to view my geometry website. My wife is very creative in her teaching style. She likes to create lots of fun things for the kids to do to learn the subject matter. I like to create a lot of my own material because I often times think the material that is at hand is either not at the quality level I want or because it isn't challenging enough for my students. I've also spent a lot of time putting together a geometry website for my students to use that includes videos of math lessons I teach throughout the year, and I have some interactive lessons on it. Visit www.doucehouse.com to view my geometry website.

HONORS/AWARDS/SHINING TEACHER MOMENT

None, yet!!!

MY OWN EDUCATIONAL HISTORY

My wife has a BS in biology from UT-San Antonio. I have a BS in mechanical engineering from UT-Austin

ADDITIONAL BIOGRAPHICAL INFORMATION

My wife and I met our second year of school teaching at a high school in Mesquite, TX. We got married just shy of two years after we started dating.

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