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Lesson Plan
Curated OER

An Introduction to Quadrilaterals

For Teachers 6th - 10th
Learners explore different types of quadrilaterals. Students define the terminology used with quadrilaterals. They create particular quadrilaterals based on specific characteristics of the quadrilaterals using an online tool.
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Lesson Plan
Curated OER

Triangles and Quadrilaterals

For Teachers 2nd
Second graders explore triangles and quadrilaterals. They rotate to various centers in the room to identify and examine triangles and quadrilaterals. After presenting a picture to the class, 2nd graders locate right angles, triangles...
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Lesson Plan
Curated OER

Classifying Quadrilaterals

For Teachers 4th
Fourth graders select the Quadrilateral Quest game, they find all quadrilaterals with the given properties. They are told that the word congruent in this game means equal. Students are given two to four properties of quadrilaterals. ...
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Worksheet
Curated OER

Quadrilaterals

For Students 5th - 6th
For this quadrilateral worksheet, students use the street map of quadrilaterals to answer the six different questions. Students locate various parts of the street map as quadrilaterals.
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Lesson Plan
Curated OER

Applications of Properties of Quadrilaterals in the Coordinate Plane

For Teachers 9th - 12th
Students explore the concept of quadrilaterals. In this quadrilaterals activity, students use the slope formula, midpoint formula, and distance formula to justify that a given quadrilateral is a parallelogram.
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Lesson Plan
Curated OER

Let's Explore the World of Triangles and Quadrilaterals!

For Teachers 2nd
Second graders explore the features of triangles and quadrilaterals. In this lesson plan on triangles and quadrilaterals, 2nd graders rotate with their group to five different activities all exploring a different aspect of geometry.
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Interactive
Curated OER

All About Quadrilaterals

For Students 6th - 8th
In this all about quadrilaterals activity, students interactively answer 10 multiple choice questions about quadrilaterals, then click to check their answers.
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Lesson Plan
Curated OER

Symmetries in Quadrilateral Tilings

For Teachers 7th - 8th
Students analyze symmetries of quadrilateral tilings and discover how various types of symmetries, used alone or in combination, can generate the same pattern in more than one way.
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Lesson Plan
Curated OER

Intro To Quadrilaterals

For Teachers 1st - 3rd
Students engage in a lesson plan that is concerned with the concept of quadrilaterals and how they are used to create a rectangle for a door. They create a drawing of a quadrilateral while finding the sum of the angles. They practice...
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Worksheet
Curated OER

Quadrilaterals and Other Polygons

For Students 5th
In this polygon worksheet, 5th graders name 6 polygons, tell if each one is a regular polygon or not and tell if it is a special quadrilateral.
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Worksheet
Curated OER

Quadrilaterals

For Students 4th
For this quadrilateral worksheet, 4th graders, after reading about the 5 different types of quadrilaterals, write the name of each of the 6 quadrilaterals drawn for them at the bottom of the worksheet.
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Worksheet
Curated OER

Quadrilaterals and Angle Sums: Reteach

For Students 5th - 6th
In this quadrilateral and angle sum worksheet, students review the five types of quadrilaterals. Students then find each missing angle measure and classify the figures as quadrilateral, parallelogram, rectangle, rhombus, square, or...
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Worksheet
Curated OER

Sort Triangles and Quadrilaterals

For Students 4th - 5th
In this triangle/quadrilateral worksheet, students solve 6 problems that ask questions about lengths, parallel line and angles of quadrilaterals and triangles.
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Lesson Plan
Curated OER

8th Grade Math Classifying Triangles and Quadrilaterals

For Teachers 8th
Eighth graders engage in a lesson that is about classifying polygons with the focus being upon specific triangles and quadrilaterals. They conduct activities using cutouts for kinesthetic learners to help make connections while...
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Worksheet
Curated OER

Quadrilaterals

For Students 10th
In this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include various types of quadrilaterals to identify. First, they find the value for each variable in the illustrated quadrilateral. Then,...
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Worksheet
Curated OER

Quadrilaterals

For Students 10th
For this quadrilaterals worksheet, 10th graders solve 10 different problems that include the quadrilateral family and properties. First, they determine the area of a rectangle given the perimeter and length. Then, students determine the...
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Worksheet
Curated OER

Quadrilaterals and Other Polygons: Practice

For Students 5th - 6th
In this polygons worksheet, students classify each polygon in as many was possible. Students then write polygon or not a polygon to classify each figure. Students find the measure of the missing angles and complete two test prep...
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Worksheet
Curated OER

Nine Quadrilateral Problems Involving Angle Measures and Classification

For Students 9th - 11th
In this quadrilaterals worksheet, students calculate the measure of angles in five parallelograms, name a quadrilateral, and find values of given variables in three diagrams.  The solutions are provided.
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Worksheet
Curated OER

Triangles and Quadrilaterals

For Students 10th
In this triangles and quadrilaterals worksheet, 10th graders solve 6 different problems related to using triangles and quadrilaterals in informal geometry. They determine how many lines of symmetry an equilateral triangle and an...
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Worksheet
Curated OER

The Quadrilateral Family

For Students 10th
For this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include identifying various quadrilaterals. First, they indicate whether the statements are true or false for each. Then, students determine...
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Worksheet
Curated OER

Family Activity: Triangles and Quadrilaterals

For Students 6th - 8th
In this triangles and quadrilaterals worksheet, students solve 7 short answer problems. Students find objects around the house that are constructed from triangles, parallelograms, trapezoids, squares, rectangles. Students sketch the...
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Lesson Plan
Curated OER

Classifying Quadrilaterals

For Teachers 4th - 8th
Students cut out three different shapes and put them in the correct categories of parallelograms, trapezoids, and trapeziums. In this parallelogram lesson plan, students explain the sums of the angles of a triangle and a quadrilateral.
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Worksheet
Curated OER

Quadrilaterals

For Students 7th - 10th
In this geometry worksheet, students fill out three columns with thoughts on quadrilaterals. They write what they know, what the want to know and what they have learned.
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Worksheet
Curated OER

Quadrilaterals

For Students 3rd - 5th
In this solving quadrilateral word problems worksheet, students apply knowledge of congruent shapes to problem solve. Students solve six problems.

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