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Quadrilaterals

For Students 4th
In 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.
Worksheet
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Properties of Geometric Shapes: All, Some or None

For Students 4th
In this properties of geometric shapes worksheet, 4th graders write the words all, some or no to complete twelve statements about the properties of the shapes.
Lesson Plan
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Pendulum 2

For Teachers 11th - 12th
Learners use math to help them discover the movement of a pendulum.
Worksheet
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Shape Definitions

For Students 4th - 6th
For this shapes definitions worksheet, students match a set of descriptions with their correct shape names, 10 total, then answer a set of 4 additional questions. Answers included on page 2.
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Mathematical Wackie Wordies

For Students 9th
In this word worksheet, 9th graders examine pictures and write a mathematical phrase to describe the picture.  This one-page worksheet contains 25 problems.  Answers are provided.
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The Flat Earth

For Teachers 9th - 11th
Students differentiate between different planes. In this geometry lesson plan, students differentiate between a plane and a sphere. They discuss the Great Circle, Geodesic and Lune as it relates to the earth.
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Hybridization and Valence Bond Theory

For Students 9th - 12th
In this chemistry instructional activity, students use knowledge of valance bonds in order to answer the in depth application of science problems.
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2-D Polygons

For Teachers 6th - 8th
Students investigate the concept of two dimensional polygons. They complete a vocabulary chart with the teacher or in independently. Students are shown various polygons in order to classify them and then asked to draw one of them from...
Lesson Plan
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Median of a Trapezoid

For Teachers 8th - 10th
Students find the median of trapezoids and other polygons. In this geometry instructional activity, students identify important properties of trapezoids. They create trapezoids and polygons using Cabri software.
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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.
Lesson Plan
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Pythagorean Theorem

For Teachers 7th - 8th
Students explore the history of Pythagoras and his contributions to mathematics. In this middle school geometry lesson, students use one inch tiles to investigate the Pythagorean Theorem and to find the length of the sides of a right...
Interactive
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Quadrilateral Properties

For Students 9th - 12th
In this online math instructional activity, students answer "true" or "false" to a variety of statements regarding the properties of quadrilaterals. This excellent resource allows the students to check their answers, and to get "hints"...
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Geometry Assessment-"Chapter 2"

For Students 7th - 8th
In this geometry worksheet, students match terms with definitions, and complete short answer questions about polygons and congruency.
Lesson Plan
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Algebra/Geometry Institute: Area of Polygons

For Teachers 6th - 8th
Students find the area of polygons.  In this area of polygons lesson, students find the area of parallelograms, rectangles, squares, and other polygons.  They identify each given figure and determine the appropriate formula...
Lesson Plan
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8th Grade Math Classifying Triangles and Quadrilaterals

For Teachers 8th
Eighth graders engage in a instructional activity 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...
Lesson Plan
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Geo-Critters (Geometry Critters)

For Teachers 2nd - 5th
Young scholars read the book The Math Curse by Jon Scieszka and study geometry. In this geometry lesson, students identify geometric shapes and their properties. Young scholars create a geo-critter.
Lesson Plan
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The Laws of Sines and Cosines Made Simple!

For Teachers 10th - 12th
Students explore the concept of law of sines and cosines. For this law of sines and cosines lesson, students construct a triangle tool from card stock and markers. Students use their triangle tool to aid in solving problems involving...
Lesson Plan
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Why can't We Use SSA to Prove Triangles Congruent?

For Teachers 9th - 10th
Pupils investigate triangles and congruences. In this geometry lesson, students differentiate between inductive and deductive reasoning. They differentiate between similar and congruent triangles.
Lesson Plan
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Ride on a Slide

For Teachers 2nd - 6th
Students investigate gravity and engineering by participating in a slide building experiment.  In this early physics lesson plan, students utilize cardboard boxes to create a model of a children's slide.  Students analyze the...
Lesson Plan
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Similar Triangles - Geometry Exploration

For Teachers 8th
Eighth graders become engaged in a lesson in geometry to improve mathematical skills. They construct triangles, segments, and points using Geometer's Sketchpad to demonstrate how dilations of triangles and rectangles change geometric...
Worksheet
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Tests for Parallelograms

For Students 10th
In this tests for parallelograms worksheet, 10th graders solve 7 various types of geometry problems that include parallelograms. First, they determine if each quadrilateral is a parallelogram and justify their answers. Then, students...
Lesson Plan
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Area Lesson Plan

For Teachers 7th - 8th
Students explore geometry by using computer applications. In this spatial measurement lesson, students discuss the difference between area, weight, volume and other forms of measurement. Students utilize computer applications to find the...
Lesson Plan
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Exploring Trigonometric Ratios

For Teachers 9th - 10th
Students identify the ratios of trig functions. In this trigonometry instructional activity, students construct triangles and use it to derive the values of sine, cosine and tangent. They use Cabri software to create the visual of the...
Lesson Plan
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Exploring the Hinge Theorem

For Teachers 9th - 10th
Students explore the application of Hinge Theorem. In this geometry lesson plan, students write inequalities, given two sides of a triangle. They solve problems with triangular inequalities using the proper theorem.

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