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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers All
Students explore how the Pythagorean Theorem works and how to apply it.
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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 9th - 12th
Young scholars are introduced to the Pythagorean theorem. They use three different activities that give students the opportuntiy to observe triangles, and use the Pythagorean theorem and practice different ways of determining areas of...
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Lesson Plan
Curated OER

How Tall Is That Flag Pole?

For Teachers 6th - 8th
Learners examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
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Lesson Plan
Curated OER

The Box Problem

For Teachers 8th - 10th
Young scholars create graphic, algebraic and verbal ideas of functions. In this algebra lesson, students graph functions and identify the zeros of the functions. They find the domain and range and classify functions as relation or not.
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Lesson Plan
Curated OER

Perimeter

For Teachers 3rd - 12th
Young scholars examine the concept of perimeter. Students calculate the perimeter of a random shape on a grid. Young scholars develop a better understanding of the concept of perimeter. Students calculate the perimeter of shapes.
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Lesson Plan
Curated OER

Make a Box

For Teachers 10th - 12th
Pupils use specific dimensions to create a box. In this geometry lesson, students analyze the different properties of two and three dimensional shapes. They make conjectures and use it to solve problems.
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Lesson Plan
Curated OER

Geometry w/o Figures - Week 7 (Basic Geometry Formulas)

For Teachers 10th - 12th
In this basic geometry worksheet, students use basic formulas of geometry to find the area of a polygons, the number of sides of a polygon, and sum of the angles of various polygons. This three-page worksheet contains eight problems.
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Lesson Plan
Curated OER

Estimating With Fire

For Teachers 7th - 9th
Students solve problems with percents, decimals and fractions. In this algebra lesson, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.
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Lesson Plan
Curated OER

Optimization For Breakfast

For Teachers 8th - 11th
Students identify he proportion of a cereal box. In this algebra lesson, students define the relationship between patterns, functions and relations. They model their understanding using the cereal box.
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Lesson Plan
Curated OER

What Goes Around

For Teachers 4th
Fourth graders investigate the relationships between the area and perimeters of squares and rectangles. They calculate the perimeter of rectangles and squares using a formula. Students investigate the relationship between the perimeter...
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Lesson Plan
Curated OER

An Introduction to Quadrilaterals

For Teachers 6th - 10th
Young scholars 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

Area of Irregular Polygons

For Teachers 10th
In this geometry worksheet, 10th graders determine the area of irregular polygons.  The one page worksheet contains three problems.  Solutions are provided.
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Lesson Plan
Curated OER

Pyramids- Slant Height and Altitude

For Teachers 8th - 10th
Students calculate the height and altitude of a pyramid. In this geometry lesson, students define the parts that make up a pyramid. They use the Pythagorean Theorem to find the missing parts of a pyramid.
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Lesson Plan
Curated OER

Geometry in Tessellations

For Teachers 3rd - 12th
Students examine tessellations and their geometric properties. Students explore the concept of tessellations and lines, planes, angles, and polygons. Students experiment with the area and perimeter of polygons. Students analyze...
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Lesson Plan
Curated OER

Garden Variety Geometry

For Teachers 9th - 10th
Students prepare to take the GED by reviewing basic math concepts. In this geometry lesson, students review vocabularies such as formula, perimeter, circumference and other important geometric terms. They convert between the English and...
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Lesson Plan
Curated OER

La Toteca- A Tropical Paradise

For Teachers 7th - 11th
Students collect data on the time of the ferry. In this algebra lesson, students use the data to predict a ferry schedule. They also compute the depth where oxygen would be needed when diving.
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Lesson Plan
Curated OER

How much room?

For Teachers 4th - 5th
Students examine the amount of usable space that exists in their classroom using square meters and square centimeters. They apply the information to predict the ideal size of a classroom.
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Lesson Plan
Curated OER

Unit Perimeters and Areas

For Teachers 9th - 11th
Students use Geometers SketchPad to find the area and perimeter of several shapes. In this geometry instructional activity, students determine area of rectangles and progress through irregular polygons. None of the referenced worksheets...
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Lesson Plan
Curated OER

Geometry in Tessellations

For Teachers All
Students examine tessellations and their geometric properties. Students also develop a better understanding of lines, planes, angles, and polygons.
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Lesson Plan
Curated OER

Congruent Triangles - Is This Enough Information?

For Teachers 7th
Seventh graders examine congruence postulates and apply knowledge to triangles in the world around them.