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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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\$4.00
116 Ratings
4.0

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Similar Triangles Snap! A Matching Activity. In this activity there are 14 triangles and students must match them into pairs that are similar. Once they have matched them into pairs of similar triangles, they must then use the fact they are similar to work out the missing sides and angles. As an
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Also included in: Similar & Congruent Triangles Matching Activities & More

\$3.00
148 Ratings
3.9

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2 Sorts with 9 Pairs of congruent triangles. Both Sorts use the same set of triangles but have been set up slightly different and the congruence statements are in a different order so you can use both versions with the same students. Recently updated to correct issue with answers. Answers are now
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\$1.25
100 Ratings
4.0

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This Area of a Triangle foldable activity uses silly - but memorable and relevant - phrasing to teach students the relationship between triangles and rectangles - they will remember this activity! Several different formula options are available - choose the one that you use to teach.Sometimes it’s t
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Also included in: Middle School Math Bundle of Hands-On Activities

\$3.50
64 Ratings
4.0

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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
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56 Ratings
4.0

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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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\$1.50
16 Ratings
4.0

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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
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\$1.00
17 Ratings
4.0

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Nothing like a good criminal investigation to liven up math class! Based off my popular CSI projects, I have created Whodunnits? The Whodunnits plan to focus on single content topics as opposed to units and will focus more on skill building than application. Every day can't be a project day, so Whod
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\$3.00
16 Ratings
4.0

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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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\$3.00
11 Ratings
4.0

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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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\$2.00
8 Ratings
4.0

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PLEASE RATE! :) This activity involves six stations covering triangle similarity. The stations include: solving proportions, proving triangles similar, finding missing sides and angles given similar triangles, triangle proportionality theorem, angle bisector theorem, and word problems involving s
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\$3.50
9 Ratings
4.0

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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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\$1.50
5 Ratings
4.0

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How does scale factor change perimeter and area? I had students graph two triangles with a scale factor of dilation of 2. Students looked to see how the area and perimeter are affected when a scale factor is applied. They then make conjectures about the change in perimeter and area to apply to addi
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\$1.75
5 Ratings
4.0

DOCX (32.78 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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4 Ratings
4.0

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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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4 Ratings
4.0

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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
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\$1.50
4 Ratings
4.0

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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
3 Ratings
4.0

PDF (1.54 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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\$1.50
3 Ratings
4.0

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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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\$2.50
2 Ratings
4.0

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This discovery learning activity will help students find the ratios between the sides in 45-45-90 triangles, by reviewing properties of an isosceles triangle. Then students discover the ratios in 30-60-90 triangles by dividing an equilateral triangle in half. Students first look at examples and ge
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\$2.00
2 Ratings
4.0

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Who enjoys creating effective Bell Work questions every day? No teacher ever! This product is the answer to all your problems! Also called Bell Ringers, Warm-ups, Entrance Tickets, Do-Nows, these prompts are perfect for getting your students thinking mathematically. These can also be used for exit
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Also included in: Geometry Bell Work Prompts for the Entire Year BUNDLE

\$4.00
1 Rating
4.0

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This activity is a great way to review similarity by writing similarity statements, finding scale factor and solving for missing pieces using proportions. This can be used as an assessment (in place of a quiz), but it also makes a great review activity before a quiz or an assignment instead of a wor
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\$2.00
1 Rating
4.0

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About this resource:Looking for a fun or new way to deliver notes? Then, doodle guides are for you! These guides encourage creativity while delivering new concepts. Doodle guides keep students engaged and makes note-taking more fun!This doodle guide teaches the concept of Proving Triangles Similar.A
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\$2.50
1 Rating
4.0

PDF (1.07 MB)

This activity sheet, containing fifteen exercises, has students working with the SSS and SAS Similarity Theorems to explain why two triangles are similar or not similar. Students • will study eight pairs of triangles and explain why the two triangles are similar or not similar;• answer two question
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Also included in: A Bundle of Activity Sheets on Similarity

\$3.00
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