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### We found 73 resources with the concept equilateral

Videos (Over 2 Million Educational Videos Available)

9:28

Ancient Egypt | What Everyday Life Was...

4:07

Cells - Overview & Introduction

8:55

The Circulatory System Part 1: The Heart

Other Resource Types ( 73 )

Lesson Planet

#### Math Antics Geometry Video Lessons

The point of this collection of 12 videos is to introduce learners to three basic parts of geometry—points, lines, and planes. The presenter provides definitions, shows how to classify shapes, provides examples, and shows how to use...

Lesson Planet

#### Study Jams! Classify Triangles

Jam on with this multi-faceted activity teaching triangle classification. Start with a learner-paced lesson describing the different qualities of triangles and follow with a fun karaoke session. Also provided are two types of...

Lesson Planet

#### Triangles

In this math worksheet, young scholars answer 3 questions about an equilateral triangle. Students then answer 3 questions about isosceles triangles. Young scholars then calculate missing angles on isosceles triangles.

Lesson Planet

#### Accessible Shapes

All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....

Lesson Planet

#### Equilateral Triangles: Lesson

Take a second look at triangles that are equal all the way around. The video reminds viewers what an equilateral triangle is and points out that the three angles are the same. Using the fact that equilateral triangles are also isosceles,...

Lesson Planet

#### Crafty Circumference Challenge

With a little imagination, you can make these construction tools work, too. A creative lesson builds upon the knowledge of construction tools to come up with other tools to use. Pupils learn how to construct a regular hexagon inscribed...

Lesson Planet

#### Triangles

What has three sides and is adorable? A-cute triangle. The resource introduces triangles and how to classify them by sides and angles or both. The video concludes with using the sum of the angles of a triangle to show how to solve for a...

Lesson Planet

#### Coordinates of Equilateral Triangles

Can it be constructed? The task poses the question whether it is possible to have an equilateral triangle with its vertices located at integer coordinates. Pupils work with their knowledge of trigonometric ratios and the Pythagorean...

Lesson Planet

#### Unit 6 Math Vocabulary Cards (Grade 5)

Acute angles, nets, and vertices are only a few terms that a set of flash cards includes. Among the 108 cards, two types are available; word cards printed in bold-faced lettering, and corresponding definition cards equipped with an...

Lesson Planet

#### Circle Folding

Your young mathematiciaans collaboratively brainstorm the geometric properties of a circle in this vocabulary rich, geometry lesson plan. Step by step a plethora of properties and shapes emerge as learners fold their circles to create...

Lesson Planet

#### What is a Triangle?

Triangles, triangles, triangles. What makes a polygon a triangle? How many types of triangles are there? How do you determine what kind of triangle it is? Watch this video as the teacher explains 'tri' meaning three, making a triangle -...

Lesson Planet

#### Triangles

If you're about to begin a unit on the different types of triangles, this would be a good presentation for you to employ.Viewers are exposed to the three main types of triangles: congruent, isosceles, and equilateral. They are coached on...

Lesson Planet

#### Triangles

Why are there so many different types of triangles? Be that as it may, beginning geometers need to understand the differences between equilateral, isosceles, scalene, and right triangles, and they get a visual approach with this...

Lesson Planet

#### Triangle Designs - Enrichment 16.5

Upper graders cut out cards with the scalene, isosceles, equilateral, acute, obtuse, and right triangle terms, choose a card, and complete the chart with the number of sides or angle and draw the design. They complete one chart.

Lesson Planet

#### Varieties of Quadrilaterals

Students classify quadrilaterals, In this quadrilaterals instructional activity, students watch a video about parallelograms, discuss the different types of quadrilaterals, and complete a worksheet classifying quadrilaterals.

Lesson Planet

#### Toothpick Triangles

Students draw a chart (included in the activity) to use with their investigation. They review terminology of triangles and receive toothpicks to use in the activity. Beginning with three toothpicks, students form a triangle. They...

Lesson Planet

#### Geometric Properties

Students find triangular angles using the angle theorem. For this geometry lesson, students describe labeled triangles, use the pythagorean theorem, and rewrite information about triangles in standard form.

Lesson Planet

#### Classification of Triangle Measurement & Perimeter

In this classification of triangles instructional activity, 10th graders identify and complete 8 different problems that include determining the measurement and perimeter of various types of triangles. First, they color all right, acute,...

Lesson Planet

#### How Do You Classify Triangles?

Triangles are classified by their angle measurement as well as by the length of their sides. Here are some names that identify the types of triangles: isosceles, equilateral, scalene, obtuse, and acute. Watch this video to learn about...

Lesson Planet

#### Investigation - Mathematical Reasoning: Tables and Chairs

Fourth graders draw pictures and diagrams as they attempt to solve a mathematical problem involving the arrangement of eleven tables shaped like equilateral triangles and the seating of exactly twenty-five people.

Lesson Planet

#### Quadrilateral Clues

Fourth and fifth graders work in pairs explore quadrilaterals. In this problem-solving lesson, learners participate in hands-on activities that require them to identify, describe, compare, and classify quadrilaterals. This is meant to...

Lesson Planet

#### Triangle Designs

In this triangles worksheet, students draw different triangles and write how many sides and angles each one has. Students draw 4 kinds of triangles and have 2 that are impossible to draw.

Lesson Planet

#### Study Buddies: Classifying Triangles

In this math worksheet, students analyze an informative chart about the measurement and angles of equilateral, isosceles and scalene triangles. Students then answer 5 questions about classifying triangles.

Lesson Planet

#### Triangles

In this triangles worksheet, 4th graders study the lengths that are stated for 3 triangles and describe each triangle by its sides. Students describe 3 additional triangles by their angles.