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Worksheet
Curated OER

Math Vocabulary Definitions-Multiple Choice

For Students 4th - 6th
In this math vocabulary worksheet, students complete 15 multiple choice problems, choosing the correct definition for a set of math terms. A reference web site is included for additional activities. 
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Lesson Plan
Curated OER

The Search for Pythagoras' Treasure

For Teachers 8th - 10th
Students identify and define properties of triangles. In this geometry lesson plan, students identify the missing sides and angles of right triangles. They use the rules of the Pythagorean Theorem to solve their problems.
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Lesson Plan
Curated OER

Lines, Segments, and Rays

For Teachers 5th
Fifth graders use their arm, toothpicks, and marshmallows to create lines, segments, and rays. In this lines, segments, and rays lesson plan, 5th graders learn how these appear on a plane.
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Lesson Plan
Curated OER

Area of Complex Figures

For Teachers 5th
Fifth graders use formulas for calculating areas of squares and rectangles to find area of complex figure, compare their own ideas with their classmates' ideas, and recognize that there are multiple methods for finding area of complex...
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Worksheet
Curated OER

Math Vocabulary Decoding Activity

For Students 5th - 6th
In this math vocabulary worksheet, students use a letter key code to match match vocabulary words to their definitions. A reference web site it given for additional activities.
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Worksheet
Curated OER

Math Vocabulary Maze

For Students 4th - 6th
For this math maze worksheet, students navigate their way through a maze using clues and spelling out math vocabulary words. A reference web site is included for additional activities. 
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Worksheet
Curated OER

Math Vocabulary Multiple Choice Words Worksheet

For Students 3rd - 6th
In this math vocabulary worksheet, learners complete multiple choice problems where they match the correct math vocabulary word to its definition. Students complete 15 questions.
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Lesson Plan
Curated OER

Median of a Trapezoid

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

Incredible Edible Bridges

For Teachers 7th - 10th
Students create a bridge using engineering and geometric concepts. In this geometry lesson, students identify the missing measures of polygons sides and angles. They work together to solve real life situation using problem solving skills.
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Lesson Plan
Curated OER

Understanding Reflections by Paper Folding

For Teachers 10th - 12th
Students  investigate reflections and rotations. In this geometry lesson, students perform hands on experiments as they study reflections in the axis and over a line. They investigate human factors and work physiology, relating it to math.
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Lesson Plan
Curated OER

Identifying Lines of Symmetry

For Teachers 8th - 10th
Young scholars calculate the lines of symmetry using polygons. In this geometry lesson, students graph, compare and estimate using collected data. They identify different attributes to the polygons based on their sides.
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Lesson Plan
Curated OER

Does the Area of the Quadrilateral Change?

For Teachers 7th
Seventh graders complete activities to further their understanding of area formulas. In this area lesson, 7th graders watch as the teacher uses Polystrips to model parallelograms. Students find the area of a rectangle and answer...
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Lesson Plan
Curated OER

Triangle Side Lengths and Angles Measures

For Teachers 9th - 10th
Students identify missing sides and angles. In this geometry lesson, students use triangular theorems to identify the missing sides. They use the Pythagorean Theorem to find the different ratios of each side.
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Lesson Plan
Curated OER

Slope Right Up

For Teachers 6th - 8th
Middle schoolers use triangles to find the length and slope of each side. After connecting the vertices, they add points based on their specific instructions. They use the Pythagorean Theorem to complete a worksheet to end the lesson.
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Lesson Plan
Curated OER

Technology Integrated Lesson

For Teachers 8th - 10th
Students investigate symmetry in the real world. In this geometry activity, students inter-relate math and technology. They create and name a variety of polygons.
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Lesson Plan
Curated OER

Measurement of a Central Angle

For Teachers 9th - 11th
Students calculate the measurement of a central angle. In this geometry lesson, students identify properties of circles. They use Cabri software to create and analyze graphs.
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Lesson Plan
Curated OER

Arc Measurement Based on The Measurement of a Central Angle

For Teachers 9th - 10th
Students define keywords that are important to solve problems. In this geometry lesson, students find the arc length and angle of a circle. They convert between radians and degrees.
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Lesson Plan
Curated OER

An Introduction to Quadrilaterals

For Teachers 6th - 10th
Students 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

Mother Nature Pattern Maker

For Teachers K - 2nd
Students in a teacher education program enhance their awareness of patterns. They discover how to support their students in developing this skill in mathematical terms. They role play the role of a K-2 student and collect images from...
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Lesson Plan
Curated OER

Egyptian Weather Lesson

For Teachers 6th - 8th
Students chart temperatures in Egypt on spreadsheet to determine how weather conditions affect lifestyles.
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Lesson Plan
Curated OER

Building Tetrahedral Kites

For Teachers 6th - 8th
Young scholars work together to build tetrahedral kites. They must follow directions and the provided materials. They discover the engineering concepts needed to make the kite.
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Lesson Plan
Curated OER

Hurricane Tracking

For Teachers 5th - 8th
Students access the Internet to find information on current hurricanes. They get locations, speeds, and air pressures and then plot the location of the hurricane on a hurricane-tracking map. They also access the FEMA website to solve...
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Lesson Plan
Curated OER

Fractals

For Teachers 10th - Higher Ed
Students explore the concept of fractals. In this fractal lesson plan, students use applets to explore Koch's Snowflake, Sierpinski's Triangle, and other fractals. Students develop these concepts through exploration and teacher guided...
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Lesson Plan
Curated OER

Area of Triangle using the Semi-Perimeter and Radius

For Teachers 8th - 10th
Students investigate the properties of circles. In this geometry lesson, students calculate the area and perimeter of a triangle. They identify the perimeter and radius length of a circle.