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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers All
Pupils 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
Students 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

Ship Shape

For Teachers 2nd
Second graders explore shapes. After reading books about shapes, 2nd graders describe the properties of various shapes. They identify shapes if they have been rotated, flipped, or slid. Students create shapes using drawings and geoboards.
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Lesson Plan
Curated OER

The Corner Problem

For Teachers 11th - Higher Ed
Students explore the concept of the corner problem. In this corner problem lesson, students use the TI-NSpire to determine the maximum length a rod can be and still pass horizontally around a corner. Students use similar triangles to...
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Lesson Plan
Curated OER

Figure It Out - Polygons

For Teachers 6th
Sixth graders explore different polygons. In this polygon lesson plan, 6th graders examine a rhombus, quadrilateral, parallelogram, and rectangles. Students compare and contrast polygons and research shapes on the Internet.
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Lesson Plan
Curated OER

Perimeter

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

Length, Perimeter, and Area

For Teachers 2nd - 6th
Young scholars explore the concepts of length, perimeter and area. Students develop an understanding of length, perimeter, and area. Young scholars calculate the area and perimeter of random shapes and calculate the area and perimeter of...
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Lesson Plan
Curated OER

Tiling the Plane

For Teachers 5th
Fifth graders use pattern blocks and triagular grid paper to reivew shape names, be introduced to the concept of a tiling of the plane, and determine which pattern blocks tile the plane. They are asked if they comprehend what a...
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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

Dimensional Space: Various Perspectives

For Teachers 7th - 10th
Students use their understanding of 3D on 2D to make a representation of a 4D form on paper.
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Lesson Plan
Curated OER

Translations, Reflections, and Rotations

For Teachers 9th - 12th
Students are introduced to the concepts of translation, reflection, and rotation. They practice translating, reflecting, and rotating two-dimensional objects on the coordinate plane. students use computers to learn about the three concepts.
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Lesson Plan
Curated OER

Christmas Presents

For Teachers 7th
Seventh graders create a graph of their Christmas gifts. They develop categories, compute fractional and decimal parts for each category, identify the number of degrees to represent each fractional part, and create a circle graph to...
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Lesson Plan
Curated OER

Visual Patterns in Tessellations

For Teachers 3rd - 12th
Young scholars explore tessellations as well as various types of polygon. Students examine tessellating patterns in the world around them. Young scholars examine tessellations by creating their own tessellations and completing the...
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Lesson Plan
Curated OER

Building With Triangles

For Teachers 4th
Fourth graders use two different techniques to construct triangles with specific dimensions. They determine how to construct nets for three-dimensional objects focusing on those made with equilateral triangles. They are able to name the...
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Lesson Plan
Curated OER

Navy Sail Design

For Teachers 9th - 12th
Students use the Pythagorean Theorem to explore sailboat design. In this Pythagorean Theorem activity, two sides of a triangular sail are measured, and the theorem is used to calculate the third side. A worksheet, bulletin board design,...
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Lesson Plan
Curated OER

Lines, Rays, Line Segments, and Planes

For Teachers 9th - 12th
Students are introduced to lines, rays, line segments and planes and study the differences between them. They also practice graphing lines, rays, line segments and planes
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Lesson Plan
Curated OER

Perimeter and Area of 2D Shapes

For Teachers 6th - 7th
Students find the perimeter and area of circles, triangles, and rectangles. In this perimeter and area lesson, the teacher gives students formulas for each shape and measurement and works through examples on the board. While no creative...
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Lesson Plan
Curated OER

Ovals, Rectangles, Squares, and Triangles

For Teachers 3rd - 5th
Students identify geometrical shapes displayed in photographs of everyday objects in a metropolitan setting.
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Lesson Plan
Curated OER

Triangle Explorer

For Teachers 3rd - 5th
Students calculate the area of triangles using a variety of materials including computer applets.
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Lesson Plan
Curated OER

Exploring Special Segments in Triangles

For Teachers 9th - 12th
Young scholars discover that four special segments have a common intersection point. They identify the position of the intersection point in triangles. They produce conjectures about areas of the divided triangles.
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Lesson Plan
Curated OER

Follow The Falling Meteorite

For Teachers 6th - 8th
Students investigate the supposed traveling path of a meteorite. They use sound in order to triangulate the path. The results of the experiment are written on a map to display the path of the meteorite. The culminating activity is when...
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Lesson Plan
Curated OER

Properties of Fractals

For Teachers All
Students build a working definition of regular fractal, look carefully at the concepts of dimension and scale, and are introduced to logarithms. They solve simple exponential equations for the exponent both by trial and error and using...
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Lesson Plan
Curated OER

Properties of Fractals

For Teachers 6th - 8th
Learners build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...