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showing 1-24 of 2,195 results

Methods of Proving Triangles Similar Cut, Match and Paste Group Activity
In this activity students are asked to examine 14 sets of triangles to determine if they are being shown similar by Side-Side-Side (SSS), Side-Angle-Side (SAS), or the Angle-Angle (AA) methods. Some figures appear to be repre

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This document is designed to be a 10-day set of warm-ups on congruent triangles and similar polygons. There are two sets of five-day warm-ups. For each set the first three sections/days are computational practice. The fourth section/day is a constructed response type question where students are a

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In this activity, students are grouped in fours. Each student takes a card, and works the problem on the card. When all students in the group have their answers, they add them up, getting a group sum. Then, the group checks their sum with the teacher. If they are correct, they work on the next set

This is a coloring activity for a set of 12 problems on similarity in right triangles. I also have a riddle on this same topic for $1.00.Posted: 2/17/16 so 50% off through 2/20/16

Includes colorful posters for Side-Side-Side, Angle-Angle, and Side-Angle-Side. Great visual for helping students remember how to prove that triangles are similar.
Print on cardstock and laminate for durability.

This is a set of two guided, color-coded notebook pages for the interactive math notebook on Triangle Similarity.
Includes color-coded examples and diagrams on determining similarity and similarity ratios.
Includes color-coded examples of the basic similarity postuate and theorems. (AA~, SAS~, and

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Solve 20 problems on Similarity in Right Triangles by solving a RIDDLE. 15 problems are whole number answers, 5 problems are in simplest radical form.
Posted: 2/16/15 so 50% off through 2/19/15
RIDDLE: What did Pythagoras say after buying a bag of triangles at the grocery store?
"One of you

This foldable is for all three triangle similarity theorems (AA, SSS, and SAS). There is a flap for each theorem with the theorem printed on the front. Each flap has two or three examples. A practice sheet is included that could be used as homework or on the facing page in their notes.A complete

28 Task Cards that ask students to determine if two triangles are similar and if so to provide the similarity theorem used. Also, students are asked to write the similarity statement for the triangles on their answer sheet.
Student answer sheet and answer key included.

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I developed this review for our chapter on triangle similarity. Topics include: Ratios, triangle similarity theorems, using similar triangle to identify missing side lengths, and some triangle inequality (smallest / largest sides) Check out the preview!

This practice worksheet has 11 problems that allow students to set up and solve the proportions involved in right triangle similarity, ranging in difficulty.
Also included is a reference sheet/diagram of the right triangle proportions.

This product is great for interactive notebooks. There are notes and guided practice problems for proving triangles similar by Angle-Angle (AA), Side-Side-Side (SSS), and Side-Angle-Side (SAS). Also included, you will find the solutions to each page. This has been great for not only my standard Geo

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Students will complete four fill-in-the blank proofs based on the properties of similar triangles. Reasons will include Geometric and Algebraic properties/theorems. Contained in this file is a sheet of possible answers that can be copied on colored paper to make this a cut-n-paste activity. This c

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This resource includes an 2 interactive pages on triangle similarity. The first page introduces the types of similarity as a tri-fold. The 2nd page has students identify what type of similarity is being shown. Detailed instructions (with photographs) are included!
Interactive Notebooks are a great

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Triangle Similarity (AA~, SSS~, and SAS~) Graphic Organizer
This graphic organizer will help introduce or review ways to show triangles are similar, including Angle-Angle, Side-Side-Side, and Side-Angle-Side Similarity.
Check out my Similar Triangles Unit Bundle if you are looking for more materia

This Similar Triangle Methods Worksheet asks students to examine pairs of triangles to determine if they are similar by SAS, SSS, AA or not similar at all.
Once students have marked up the pictures, set-up and solved their proportions or used other methods to verify the method being illustrated,

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Word Search High School Geometry Triangles and Similarity
Great for Sub Plans - NO PREP!
This product features a word search for Triangles and Similarity vocabulary terms. There are two sets of three convenient options from which you can choose or mix and match to meet differentiation needs:
1. tr

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Geometry - Prove Triangle Similarity
Common Core Aligned Lesson with Homework
This lesson includes:
-Lecture Notes (PDF, SMART Notebook, and PowerPoint)
-Blank Lecture Notes (PDF and SMART Notebook)
-Homework (PDF)
-Answer Key (PDF)
You do not need to have SMART Notebook or PowerPoint to receive t

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Scaffold your students’ ability to complete Geometry Proofs with this fun, engaging activity. This product has two fill-in-the-blank proofs, with a mixture of statements and reasoning missing. Students complete the proof and use their answers to complete the crossword puzzle, which allows them to se

This is an activity or worksheet that students learn how to prove triangles similar using SSS, SAS, or AA similarities. It's a great activity to pair students up and have them work together!

This is a QR code activity that allows students to be in groups or pairs to decide whether triangles are similar using SSS, SAS, or AA similarities.
A QR code reader can be downloaded on each student's phone in order to make it a technology friendly lesson!

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This power point states the theorems for triangle similarity if one side of a triangle is parallel to another side of a triangle. It shows the proportions that are true if the lines are parallel and if the proportion is true then the lines are parallel.
All examples have steps and answers included.

Triangle Similarity and Triangle Congruence organizer. Great study tool for students to personalize learning Triangle proofs.

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This is a double sided foldable that contains theorems to prove triangles similar:
- Angle- Angle similarity theorem
- Side -Angle-Side similarity theorem
- Side-Side-Side similarity theorem
It can be print out in color or b&w.
Even if you don't use interactive notebooks, it is a great way to

showing 1-24 of 2,195 results