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This is a maze of 11 centroids (created by medians) of triangles. Students must use their knowledge of Medians & Centroids to work their way through this geometry maze. This self-checking activity helps students strengthen their skills in solving for parts of triangles in Centroid problems. I
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This foldable provides a great introducion to the following concepts: Median, Centroid, Altitude, and Orthocenter as well as the Concurrency of Medians of a Triangle Theorem and the Concurrency of Altitudes of a Triangle Theorem. Within the foldable students are given (or asked to write) the defin
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This activity has the students find the circumcenter, centroid, and orthocenter of a triangle Algebraically and then compare to the graph. Most problems do not have a lattice point as the answer which forces the students to use algebra to solve. It is a guided activity. There are 4 versions of this
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This lesson is a high school level geometry introduction to triangle concurrency. The first lesson focuses on the properties of the centroid, using coordinate geometry to locate the intersection of the medians. The second lesson uses an online applet to investigate the properties of the other thre
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In this activity, students will practice finding the centroid coordinates of triangles as they color! Once students find the centroid coordinates from the given triangle vertices, they will color their answers on the mandala with the color indicated to reveal a beautiful, colorful pattern! This no
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Also included in: Geometry Skills Color By Number Bundle 2: 10 More Skills

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This is a great task for practicing the triangle centers with geometric constructions in a real world problem solving context. Don't miss out on this fun and engaging activity for your students! Answer key is provided!
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DOC (4.25 MB)

***** Click here for a video demonstration of Algebra Clue. *****This activity is ideal for end-of-the-unit or end-of-the-year exam review for the RELATIONSHIPS WITHIN TRIANGLES unit. It will get your students out of their seats and working cooperatively in small groups. They will use their knowledg
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Also included in: Geometry Clue Bundle

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5 Ratings
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Of all of the points of concurrency in a triangle, the centroid seems to be the one that most readily lends itself to a "hands-on" approach: I have the students create the centroid of a cardboard triangle by measuring and drawing the median to each side; they then "balance" their triangle on the tip
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4 Ratings
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DOC (2.43 MB)

Review #9 focuses on the centroid of a triangle and the multiple representations modeled in the common core geometry curriculum. The 4 main categories that are addressed on these reviews are terminology, proof practice, coordinate practice and construction practice. These single page reviews work gr
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I use this worksheet instead of a lecture. At the start of class, I give the students a mini-lesson, showing them the concept of the centroid, including a demonstration of a cardboard triangle for which I've already constructed the centroid, which I can balance on my fingertip. After that, I like
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DOC (178.5 KB)

The is a Geometer's Sketchpad Lab that leads students throught the construction of the medians of a triangle and the centroid. The lab has them investigate the relationship of the segments of the median and finishes with showing the median divides a triangle into 2 triangles of equal area. I don't
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Doodle graphic organizer used to stimulate memory of the difference between the circumcenter, incenter, and centroid of triangles theorems. Allow your students the ability to use visual cues to aid in memory and recall. The document prints on standard paper but can be trimmed to fit a composition n
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1 Rating
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This lesson is intended for AP Calculus AB, AP Calculus BC, and College Calculus 2. This material is usually in the unit, Applications to Integration. The activity should take close to an entire class period for the students to complete, or it can be assigned as homework. In AP Calculus BC this
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Also included in: Applications to Integration Part 2 Bundle Calculus 2 AP CalculusBC

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Medians and Centroids of Triangles notes and practice(3 pages total: two pages of notes and one page of practice)On the 2 pages of notes students will review vocabulary and the Centroid Theorem, applying the Centroid Theorem and follow steps to draw medians and locate the centroid on a coordinate pl
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Of all of the points of concurrency in a triangle, the centroid seems to be the one that most readily lends itself to a "hands-on" approach: I have the students create the centroid of a cardboard triangle by measuring and drawing the median to each side; they then "balance" their triangle on the tip
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DOC (121 KB)

This product is designed to promote a meaningful math "memory" for students. The end result for students will be a deeper understanding of a triangle's centroid, which is a unique balancing point of an object. A centroid is the intersection of three medians in a triangle.Students will use simple pa
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In this Calculus 2/Calculus BC project, students use the formulas from class to actually calculate the centroid (balancing point) of a uniform density object. Students first trace a banana on graph paper, then find actual regression lines, the calculate the centroid. Trial and error will le
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Everybody loves a good movie and this activity allows you to talk film while you're learning math. Students will solve math problems in order to choose which words will complete a line from a movie. You can then have them try to guess the actor/actress that spoke the line and what movie it was from.
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A short 5 min video that uses Interwrite technology to explain the contruction of medians and then the centroid of triangles.
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The first version of this resource is a completed fact sheet. The second version is not complete in case you wanted to use it to teach the lesson as students are taking notes.The preview above shows the entire resource.
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I created this to keep my students focused on the construction. This activity has a work space for the student to make their construction, a printed set of instructions and a completed illustration of a finished construction. Each student will need a straight edge and a compass to complete the con
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This is a review activity I created involving segments in triangles, particularly perpendicular bisectors, medians and altitudes. I use Burger Geometry book by Hold-McDougal. Note: I've created this using their problems on the editable Practice B worksheets, and placed them into a Kagan Rally Coach
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This is a great addition to your word wall or just great posters for your classroom or bulletin board. Help your students remember which term goes with what (like that orthocenter is the point of intersection of the altitudes in a triangle) with these clever mnemonic devices. You get four PDF pages,
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11 Ratings
4.0

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Created by: Mattingly Mathness This product gives step-by-step written and visual instructions on how to construct the midpoint of a line segment, offering several segments for students to practice with on the next page. Students are then able to apply the construction of a midpoint on three types
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