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19 resources with the keyterm equilateral triangles

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Phonics Song 2 (new version) Video
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Phonics Song 2 (new version)
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Other Resource Types ( 19 )
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Lesson Planet

SAT Prep: Test 4 Section 2 Part 5

For Students 9th - 12th
Picking up where he left off (problem 17), Sal demonstrates graphing functions with an informative and clear explanation. Additionally, problem 18 involves finding the values of angles in an equilateral triangle.
3:56
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SAT Prep: Test 1 Section 6 Part 5

For Students 9th - 12th
Back with "more energy," Sal begins his explanation of problems 15-18 on page 412 of The Official SAT Study Guide. Problems include angles of equilateral triangles, rectangles, and graphing slopes.
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Classify Triangles - English Learners 16.5

For Students 4th - 5th
In this classifying triangles worksheet, learners solve four multiple choice problems where they classify triangles as scalene, right, isosceles, and equilateral.
5:02
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Why Are the Angles of Equilateral Triangles Always Equal to 60¼?

For Teachers 6th - 10th
Learn how to identify an equilateral triangle by evaluating its congruent sides. Once you've determined that that sides are congruent you'll be able to use the triangle sum theorem to determine the angles in an equilateral triangle. This...
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Equilateral Triangles

For Students 1st - 2nd
In this equilateral triangles worksheet, learners study the various triangles to identify equilateral triangles. Students may count the triangles.
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Modeling Permutation Group

For Teachers 9th - 11th
Young scholars explore the concept of transformations. In this transformations activity, students construct an equilateral triangle and a square with a circumscribed circle. Young scholars reflect and rotate their constructions.
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Equilateral Triangle Symmetries Closure Activity

For Teachers Higher Ed
Students explore the symmetries of an equilateral triangle. In this instructional activity on symmetry, students determine the composition of given equilateral triangles using both rotational and reflectional symmetries.
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Triangles

For Students 9th - 12th
In this triangles worksheet, students construct 2 equilateral triangles. Students then construct segments and midpoints. Students are then asked to make 2 conjectures about their constructed triangles.
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Equilateral Triangles

For Teachers 4th - 5th
Students examine the attribute of equilateral triangles. In this equilateral triangle lesson, students examine a number of paper triangles to determine how they are classified. They determine how triangles are depicted in Navajo rugs.
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Investigation-Mathematical Reasoning: Tables and Chairs

For Teachers 4th
Fourth graders design a table and chair arrangement. In this mathematical reasoning lesson, 4th graders place tables shaped like equilateral triangles so that they seat the appropriate number of guests. 
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Identify Triangles 2

For Students 2nd - 5th
In thins triangles review worksheet, students examine 4 triangles and their measurements. Students classify them as equilateral, isosceles, or scalene.
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Identify Triangles

For Students 3rd - 5th
In thins triangles review worksheet, students examine 3 triangles and their measurements. Students classify them as acute, right, obtuse, equilateral, isosceles, or scalene.
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Arctic Visualization

For Students 3rd - 4th
In this Arctic visualization worksheet, students create a design using hexagons and an equilateral triangle. Students cut out patterns and glue them on black construction paper.
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Triangles

For Students 3rd - 4th
In this triangles worksheet, students identify 3 triangles by the length of their sides and 3 triangles according to their internal angles.
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What's Your Angle?

For Students 4th - 5th
In this triangles worksheet, students determine if each of 4 triangles is equilateral, isosceles or scalene. Students estimate the length of its sides in centimeters, then measure them.
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Geometry of Triangles - Week 6

For Teachers 12th - Higher Ed
In this geometry of triangles worksheet, students find the length of sides, are, and angle measurement of inscribed triangles, pentagons, and midpoint of a line. This two-page worksheet contains seven problems.
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Equilateral Triangle Unit

For Students 5th - 6th
Students can practice both their folding and their equilateral triangles in this fun activity. By folding a single piece of paper according to the instructions, students create a series of equilateral shapes that they can then study. The...
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Constructions of Isosceles and Equilateral Triangles

For Teachers 4th - 9th
Students explore the difference between drawing and constructing a triangle utilizing The Geometer's Sketchpad on the computer. They create, develop and script constructions for both isosceles and equilateral triangles. Each student has...
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Hexagonal Plate Snowflakes

For Students 5th
In this science based reading comprehension worksheet, 5th graders read about the formation of hexagonal plate snowflakes. They read about equilateral triangles and tessellations. There are no questions associated with this worksheet.