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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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84 ratings
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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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60 ratings
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PDF (575.74 KB)

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
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51 ratings
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PDF (561.25 KB)

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
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14 ratings
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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.
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9 ratings
3.9

PDF (684.69 KB)

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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18 ratings
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PDF (4.03 MB)

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
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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!
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11 ratings
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PDF (260.04 KB)

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 complet
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11 ratings
4.0

PDF (4.19 MB)

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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8 ratings
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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.
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10 ratings
4.0

PDF (402.56 KB)

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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8 ratings
4.0

PDF (695.29 KB)

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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6 ratings
4.0

PDF (445.06 KB)

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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5 ratings
3.6

PDF (773.32 KB)

Triangle Similarity Foldable Page & Application Practice: 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
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5 ratings
4.0

PDF (4.33 MB)

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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4 ratings
4.0

PDF (3.04 MB)

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
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\$1.50
4 ratings
4.0

PDF (868.96 KB)

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!
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\$1.50
3 ratings
4.0

PDF (167.99 KB)

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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2 ratings
4.0

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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.
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\$2.00
2 ratings
4.0

PPT (723 KB)

Triangle Similarity and Triangle Congruence organizer. Great study tool for students to personalize learning Triangle proofs.
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\$1.50
2 ratings
4.0

PPTX (40.97 KB)

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
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\$2.50
2 ratings
4.0

PDF (581.81 KB)

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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\$2.50
2 ratings
4.0

PDF (1.54 MB)

Self-Contained Learning Handout for Students Pages 1 and 2 of this documents are for printing a front-back student handout. Page 3 is the key for the Practice portion. Included in the printable student handout: *Student learning objective starts the lesson right *Basic notes for class di
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\$3.00
2 ratings
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PDF (49.55 KB)

Follows along with Pearson Geometry Book: 2012 Ch 7 Similarity except 7.4 Includes the following note pages: Triangle Similarity My Interactive Note Pages include all or some of the following: step by step color-coded notes, Vocabulary, postulates, theorems, diagrams, graphic organizers, and
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1 rating
4.0

ZIP (10.07 MB)

I use this as a practice activity in either partners or individually. There are 14 on level problems, using similarity to find side lengths, write similarity statements, and scale factors. There are 3 multiple choice problems. Intentional movement has been shown to increase brain function, so en
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1 rating
4.0

PDF (485.25 KB)

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
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FREE
30 ratings
4.0

PDF (1.21 MB)

Vocabulary Graphic Organizer, Word Wall (3 versions!), Quick Reference Guide *RECENTLY UPDATED TO INCLUDE TWO NEW WORD WALL SETS WITH DEFINITIONS & ILLUSTRATIONS* One of the most challenging parts of HS Geometry is all the new vocabulary. Set your students up for success by giving them lots of
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Unit 2 Lesson 3: Proving Similar Triangles Editable Word Document Includes Guided Lesson Notes, Examples and Homework Questions Answers are Included for all notes, practice problems & Homework Topics Covered Proving Similar Triangles by AA, SAS proportionality and SSS proportionality. Writin
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DOCX (579.11 KB)

Unit 2 Lesson 3: Proving Similar Triangles PDF Includes Guided Lesson Notes, Examples and Homework Questions Answers are Included for all notes, practice problems & Homework Topics Covered Proving Similar Triangles by AA, SAS proportionality and SSS proportionality. Writing Similarity Statem
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Students will cut out 8 triangle cards, identify missing measures in each, and then determine which triangles are similar using angle angle similarity!
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These anticipation guides are pre-lesson activities which act as advance organizers to help students access prior knowledge and challenge preconceptions. Anticipation Guides are a useful tool for differentiating, especially for English Language Learners (ELL's) and Special Education students. They
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"When will I use this outside of class?" or "Is this REALLY important?" Let your students see the math is important beyond the class and past the TEST. Fifteen careers that actively use triangle similarity are listed on this poster. Great to help build discussions about why concepts are importa
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PNG (293.83 KB)

This Free Product is a six question practice on identifying whether pairs of triangles are similar. Students are asked to determine if the triangles are similar by SSS, SAS or AA. If they are not similar they need to tell why. This is designed as a quick check and is great to use as an Exit Tick
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FREE
4 ratings
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PDF (1.56 MB)

This three part lesson engages students with patty paper and compass and straightedge to discover the three basic ways triangles are similar: AA, SAS, and SSS. BECOME ONE OF MY FOLLOWERS AND RECEIVED NOTIFICATEION WHEN NEW PRODUCTS ARE ADDED.
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Prove triangles similar via AA, SSS, and SAS similarity theorems. Notes are more fun when doodling.
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PDF (883.99 KB)

Proving triangles similar by AA, SAS, and SSS with fill in the blank notes that follow along
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PPT (273.5 KB)

Students will use side-side-side triangle similarity to prove that triangles are similar.
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1 rating
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DOCX (147.12 KB)

Doodle notes on proving triangles similar. Includes key.
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1 rating
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PDF (752.06 KB)

Honors Geometry
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1 rating
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DOCX (706.76 KB)

This is lesson 18 of geometry A. This bundle includes triangle similarity theorems, finding lengths of missing sides and angles, geometric means, and geometric altitudes. Includes guided notes, SmartBoard lesson, and worksheet.
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Honors Geometry
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worksheet that goes hand in hand to the power point proving by AA, SAS and SSS Patricia Copper
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This 8th Grade math spiral review resource can easily be used as spiral math HOMEWORK, spiral math WARM UPS, or a DAILY MATH REVIEW! This spiral math review was designed to keep math concepts fresh all year and to simplify your homework or warm up routines. All pages are 100% EDITABLE and easy to di
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\$21.99
660 ratings
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Similar Triangles (Geometry Curriculum - Unit 6) This bundle contains notes, homework assignments, a quiz, a study guide and a unit test that cover the following topics: • Ratio and Proportion: Includes extended ratio problems. • Similar Figures: Identifying scale factors, and solving problems wi
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ZIP (4.04 MB)

This bundle contains over 50 foldables, flipbooks, and interactive notebook pages that can be used in a geometry interactive notebook. Click the links below to view each foldable. This bundle also includes EXCLUSIVE CONTENT! A special folder is included within the Dropbox folder. As the school y
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\$90.00
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PDF (1.12 MB)

This is a HUGE bundle of my activities appropriate for a first semester high school Geometry classroom. All files are in pdf format. The price will increase if new products are added, but you will get them for free if you purchase now. Click the links below to see all of the products included in
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\$75.00
41 ratings
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These 8th Grade Spiral MATH ASSESSMENTS are perfect for weekly math quizzes, quick checks, progress monitoring, and spiral review. These math assessments are 100% editable and are perfectly aligned with my popular 8th Grade Spiral Math Review resource. Always know how your students are progressing
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This 21 page resource includes the 122 Theorems, Postulates, & Corollaries that are used in a High School Geometry classroom. Most Theorems/Postulates/Corollaries have a diagram that goes with to help students better understand the concept. Important Information • This list was compiled from 5
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ALL 8 GEOMETRY UNITS INCLUDED- Vocabulary Graphic Organizer, Word Wall (3 versions!), Quick Reference Guide One of the most challenging parts of HS Geometry is all the new vocabulary. Set your students up for success by giving them lots of scaffolding and opportunity to learn all of it. The sets i
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\$28.00
\$21.00
30 ratings
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ZIP (51.27 MB)

Geometry: First Semester Test (Midterm) and Study Guide This 75 question study guide and 60 question first semester test (all multiple choice) was created for a high school Geometry class. Objectives covered are as follows: -Identify collinear and coplanar points. -Distance Formula -Midpoint Form
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Congruency and Similarity Unit for 8th Grade Math - Completely editable to help you best meet the needs of your students! 8th Grade Math Curriculum Unit 6 This includes five multi-day lessons that cover: * Parallel Lines and Transversals * Transformations on a Coordinate Plane * Similar Triangles *
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ZIP (69.84 MB)

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