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showing 1-52 of 265 results

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In this activity, students will apply knowledge of the triangle inequality theorem to determine if the three sides given can form a triangle--as they color! Students will color problem numbers on the mandala with 2 opposing colors of their choice--a dark color if the sides given can form a triangle

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Triangle Inequality Theorem - Discovering Properties of Triangle Side Lengths:
Start out the lesson by saying “Ok, we are working with triangles, so before we start today, I need everyone to quickly move the desks to be arranged in one big triangle. Then we can begin. Please start with 16 (or an

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***NO PREP LESSON*** This product is designed to help students understand the Triangle Inequality Theorem. Students will start by forming triangles and non-triangles to discover the rule for the Triangle Inequality Theorem. After this, there is a set of guided notes and an individual assignment fo

Triangle Inequality Theorem Task Cards set includes 24 task cards focused on the triangle inequality theorem. There is a set with QR Codes and a set with QR Codes (they have the same scenarios). The card scenarios vary in difficulty, allowing for classroom differentiation. An answer sheet (should be

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Triangle Inequality Theorem Notes, Journaling, Exit Tickets
Covers 6th Grade Math TEKS 6.8A
Included in the following BUNDLE:
TEKS 6th Grade Reporting Category 3
Engage students with this foldable which covers the Triangle Inequality Theorem. Students will make this foldable using an accordion f

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Triangles and the Triangle Inequality Theorem includes interactive notebook activities that explore if side lengths form a triangle, the sum of angles in a triangle, classifying triangles, and the relationships between the sides and the angles of triangles. These activities are introductory and mean

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Triangle Inequality Theorem mini-unit focuses on determining if three side lengths form a triangle. This introduction to the triangle inequality theorem includes notes, 2 activities, an exit ticket, homework, and a quick writes. These materials will engage kids as they learn about this important mat

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Triangle Inequality Theorem Investigation!
Geometry practice for grades 8-12.
Promote student analytical thinking through an inductive approach to the triangle inequality theorem! Triangle Inequality Theorem Investigation is a great introduction to the triangle inequality theorem and can help in s

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This is a self discovery group activity. Students use spaghetti noodles, of different lengths, to create triangles. They are then asked to generate their own theorem based on the activity.
The activity then covers the topics of "the largest angle is opposite the longest side".
Pratice problems ar

This is a maze consisting of 14 Inequalities in One Triangle problems in which students are given 2 sides of a triangle and must use the Triangle Inequality Theorem to find the range of value for the third side of the triangle.
Please view the preview for a picture of the completed maze to determin

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Students will explore the triangle inequality theorem by trying to create their own triangles with various side lengths. Students will cut out strips of paper to represent the side lengths of the triangles, then will put a given three together to test and see if a triangle can be formed. Students

This card sort activity requires students to use the Triangle Inequality Theorem, Converse of the Pythagorean Theorem, and Pythagorean Inequality Theorems to classify triangles as Acute, Obtuse, Right, or Not a Triangle when given 3 side lengths.
Students will cut out the 20 boxes and then use the

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This sort and paste activity is designed to reinforce and practice the conditions under which a triangle can and can’t be constructed. It reviews some of the properties of triangles and focuses on the triangle inequality theorem. It is a quick and interactive activity.
This resource includes:
-s

Bring to life the traditional practice class or homework assignment with some global competency and diversity! While your students practice the triangle inequality theorem, they can learn about the life of one of the world's greatest coaches, Pat Summitt!
Person Puzzles are designed to highlight in

This is a packet which includes an activity that can be used to help students discover the triangle inequality theorem.
What could be more fun - a math activity that includes eating licorice??
I have also included a brief worksheet with 6 problems that can be used to see if students understand the

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This set of Mini Task Cards is better than a worksheet for practicing conditions that make triangles. It is an engaging practice activity for the triangle inequality theorem that supports CCSS 7.G.A.2 .
This resource includes:
-18 Mini Task Cards
-Answer Key
-10 Low Prep Engaging Ways to Use Task

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 Wh

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Triangle Inequality Theorem Flip Book:
This resource includes a flip book on the triangle inequality theorem. The first flap has the actual theorem written out underneath it. The next flap has problems that can be done as a class where the theorem is used to determine rather 3 measurements can be t

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In this teacher led discovery lab students will discover the conditions for triangles given side lengths and angle types. This is a hands-on introduction activity for 7th graders learning about the properties of triangles and the triangle inequality theorem. It includes an activity for a math inte

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This is a collection of 4 resources that will introduce and reinforce the triangle inequality theorem. Students will have an opportunity to discover the theorem and practice using it with engage and interactive activities.
Included in the Pack:
Triangle Inequality Theorem Sort and Paste
Triangle I

This activity contains a set of 12 task cards about The Triangle Inequality Theorem. An answer sheet is also included for students to show their work. The task cards can be utilized in a variety of ways including centers, partner work, individual assignments, small group instruction, etc.
If you li

Finding all possible lengths of triangles and ordering line segments lengths from least to greatest by angle measures.

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Students practice triangle inequality theorem through multiple choice problems. Each answer corresponds with a color to complete a color-by-number Spring themed coloring page.
Answer key included

Students enjoy this hands-on exploration, as they get to cut out the strips they need for the activity and play around with them to see what combinations of side lengths would make a triangle. Students can determine the Triangle Inequality Theorem on their own with the support of the strategic ques

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This ready to use product is a quick, fun way to have your students practice the Triangle Inequality Theorem. Students will be given three side lengths and will need to classify them as creating a triangle or not creating a triangle. Instead of writing their answers, students will color them! You ca

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Geometry - Triangle Inequality Theorem
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

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This product includes 20 task cards on inequalities in one triangle. Also includes a Smart Notebook file, a recording sheet, an absent student sheet and a teacher's quick reference sheet. This product is included in the Task Card BUNDLE.
Posted: 2/3/17 so 50% off through 2/6/17

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This is a cooperative activity that is done through a gallery walk around the classroom. It reinforces the triangle inequality theorem in a partner activity that is very engaging for students.
This resources includes:
-6 stations with 2 questions each
-Student record page
-Answer key

Review poster/handout to give students after learning the Triangle Inequality Theorem. I give to my students as a review sheet and I have them glue it in their interactive notebook.

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"The mission of Common Core Math Solutions is to create engaging, highly effective resources for the math classroom"
In this lesson students understand and apply the triangle inequality theorem.
Example Question:
A triangle has two sides of lengths 16 and 20. What is the smallest possible whole-

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A play on the Choose Your Own Adventure books of your childhood, a Choose Your Own Adventure assignment allows students choice of which problems they practice. After each problem they receive a clue about the mystery country they are exploring. By the end, hopefully they will have enough pieces of t

Six different colored thin rectangles are to be cut out. These represent various side lengths. Students complete the chart of all the different combinations of lengths. Students are able to discover if the lengths create triangles or not.
There are several problems students are to complete after th

STEM-ersion assignments aim to immerse students in an authentic application within a career. Students often ask what careers will use certain math skills and I think this is an opportunity to show them where the thinking is used! These problems aim to help students construct responses with my Eviden

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About this Resource
In this exploration task, students ‘discover’ the Triangle Inequality Theorem. They do this by cutting out sides of triangles of various lengths (side lengths provided) and attempting to fit them together in to various triangles. Recording their answers on a sheet, they discover

The length of one side of a triangle is less than the sum of the lengths of the other two sides
Relationships of a Triangle
The placement of a triangle’s sides and angles is very important. We have worked with triangles extensively, but one important detail we have probably overlooked is the relati

This activity allows students to come up with the Triangle Inequality Theorem on their own or with a partner. They get to experiment with different sets of line segments to see if they will work together to form a perfect triangle. This activity involves measurement, evaluation, self explanation and

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Students use spaghetti to create triangles. They will discover the triangle inequality theorem by exploring which lengths of spaghetti make triangles. Students easily found the theorem within a 50 minute class period (took 35 minutes). I warned students they would stay after class to clean spaghetti

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Students use the Triangle Inequality Theorem which states that the sum of any two sides of a triangle must be greater than the third to find a path through the maze. Students can also challenge one another by creating their own maze and key.
Also see http://systry.com/triangle-musings/ for two fre

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This activity corresponds to CCSS 7.G.2. Students will create triangles out of straws and measure the sides to discover the Triangle Inequality Theorem.
Included:
- Discovery with Directions
- Discussion Questions
*Suggestion: The directions have students cutting their own straws then passing

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Students use toothpicks (or straws, dry pasta, etc) to model triangles of various dimensions to discover the Triangle Inequality Theorem, a+b>c. This is a fully editable Word Document.
The focus of this activity is to determine if a triangle is possible given the side measurements. You may als

Allow students to discover triangle inequality theorem in an engaging, hands-on way. This activity uses spaghetti or a similar item as a manipulative for students to form triangles so they can make observations and find patterns. It is a great way to get students making their own conclusions about t

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Triangle Inequality Theorem in-class activity where students use straws to see if those of different lengths can form a triangle. They are then asked to draw conclusions.

A simple interactive lesson for students to develop the triangle inequality theorem. Students work in groups to determine if triangles can be built.

This cooperative activity allows students to discover the Triangle Inequality Theorem through the use of pre-cut straws/pipe cleaners.
There is no answer key provided because the answers can vary.

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This is extra practice for students using the triangle inequality theorem. There are 19 problems and it includes an answer key.

Common Core Math 7 has that sneaky little standard that hints at the Triangle Inequality Theorem (7.G.2). Post this in your room to give your kids a laugh and an extra way to understand and remember it.
A full investigation/lesson on the Triangle Inequality Theorem is also available at my TpT store

Triangle Inequality Theorem

Guided notes for triangle inequality theorem with examples and an answer key.

This HUGE (over 400 pages) Geometry bundle contains a full-year of scaffolded notes, interactive notebook activities, and quick checks for understanding for 13 units of study, perfect for Geometry students. There are hundreds of scaffolded note activities that contain sample teacher answer keys. Ex

Triangle Inequalities Coloring Activity
This is a fun way for students to practice identifying and solving problems with inequalities in triangles. The 10 problems address the following skills:
• Determine whether three side lengths could form a triangle.
• Given two side lengths, find a range of

In this super secret number puzzle, students work with the triangle inequality theorem. Students need to know that the sum of any two sides of a triangle must be greater than the third side.
Students find the answers to each of the ten questions and then add their answers together – this is the su

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Students will use the triangle inequality theorem to determine whether 3 numbers will be able to make a triangle. The answers will be used to decode a riddle.
*** This item is also available in the "Relationships Within Triangles VALUE PACK" ***

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showing 1-52 of 265 results