Lesson Plan
Curated OER

Introduction to Fractals: Infinity, Self-Similarity and Recursion.

For Teachers 9th - 12th
This activity introduces young scholars to the ideas involved in understanding fractals. They develop a sense of infinity, self-similarity and recursion and
Lesson Plan
Curated OER

Tangram Geometry

For Teachers 1st - 5th
Students listen to a story involving Tangram pieces. Students use Tangram pieces to complete shapes using an outline of a design.
Lesson Plan
Curated OER

Exploring Characteristics Needed to Prove Two Trianlges Congruent

For Teachers 10th
Tenth graders explore congruent triangles.  In this geometry lesson, 10th graders investigate the conditions necessary to prove two triangles congruent.  The lesson combines dry erase board activities and the use of technology.
Lesson Plan
Curated OER

Translations, Reflections and Rotations

For Teachers 5th
Fifth graders use the Internet to learn about translations, reflections and rotations. Students access the Transmographer program on the Internet, where they practice what they have learned. Students also complete a worksheet.
Lesson Plan
Curated OER

Rep Tiles

For Teachers 3rd
Third graders use pattern blocks of one shape at a time to try to create a similar shape. They compare the perimeter of the new figure with the perimeter of the original shape and look for a pattern. Students use the pattern to predict...
Lesson Plan
Curated OER

Surveying our First President

For Teachers 6th - 8th
Students act as surveyors. In this George Washington instructional activity, students read transcriptions from Washington's surveying journal and then try surveying skills on their own.
Lesson Plan
Curated OER

Geometry: Cut, Construct, Think

For Teachers 5th - 6th
Students identify the properties of polygons. In this geometry lesson, students cut out shapes try to construct polygons. Students analyze the shapes and fill out a table of characteristics.
Lesson Plan
Curated OER

Why is this lesson constructivist?

For Teachers 6th - 8th
Young scholars formulate a definition of tessellations by comparing and contrasting different patterns and shapes of real objects. They discuss the relatioship between shapes and patterns as well as their function in the real world. ...
Lesson Plan
Curated OER

Symmetry in Paper Airplanes

For Teachers 5th - 8th
Students explore symmetry.  In this geometry and scientific inquiry instructional activity, students design paper airplanes with middle line symmetry, as well as right, obtuse, and acute angles.  Students measure the plane's...
Lesson Plan
Curated OER

Does the Area of the Quadrilateral Change?

For Teachers 5th - 6th
Learners study area and quadrilaterals. In this multiplication and area lesson, students use Polystrip models to change rectangles to form different parallelograms. Learners find the area of the models use a Geometer Sketchpad to find...
Lesson Plan
Curated OER

Integrated Resource Management

For Teachers 9th - 12th
Pupils identify and analyze the concept of integrated resource management. Then they identify the importance of computers in manufacturing management. Students also identify and define the meaning of acronyms such as CAD, CAM, CIM,...
Lesson Plan
Curated OER

Visual Patterns in Tessellations

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

Introduction to Fractals: Infinity, Self-Similarity and Recursion

For Teachers 9th - 12th
Students think about several of the concepts from fractals, including recursion and self similarity. They use mathematical concepts of line segments, perimeter, area and infinity are used, and skill at pattern recognition is practiced.
Lesson Plan
Curated OER

Fractals and the Chaos Game

For Teachers 9th - 12th
Students explore the concept of fractals. In this fractals lesson, students play the "Chaos Game" via an applet. Students place dots on the screen to recognize that they have created Sierpinski's Triangle.
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.
Lesson Plan
Curated OER

Geometry Gymnastics

For Teachers 1st - 2nd
Students identify shapes and manipulate 2 and 3 dimensional objects. They view objects from different perspectives and review relative positions (near, far, between). They sing a shape song.
Lesson Plan
Curated OER

Finding The Area Of Shapes

For Teachers 4th
Fourth graders investigate the concept of computing the area using different shapes. They use prior knowledge in order to devise a formula for a parallelogram. Scaffolding is provided by the teacher to find the formula of area for...
Lesson Plan
Curated OER

Translations, Reflections, and Rotations

For Teachers 10th
Tenth graders have been introduced to the concepts of translation, reflection, and rotation, and have practiced translating, reflecting, and rotating two-dimensional objects on the coordinate plane.
Lesson Plan
Curated OER

The Mandelbrot Set

For Teachers 10th - 12th
Learners explore the concept of Mandelbrot sets and Julia sets. For this Mandelbrot and Julia set lesson, students use a function integrator applet to investigate two-variable function iterations. Learners use Julia set and Mandelbrot...
Worksheet
Curated OER

Worksheet 17

For Students 11th - Higher Ed
In this math worksheet, students suppose that a function f and its derivative f1 are continuous and that there are constants K, a, and M such that |f(t)|< Keat for t ≥ M.
Lesson Plan
Curated OER

Geometry, Measurement & Reasoning

For Teachers 7th - 9th
Students complete worksheets involving rotational symmetry. In this geometry lesson, students complete worksheets to identify rotational symmetry and rotations. They compare and contrast rotated figures. Students examine the relationship...
Lesson Plan
Curated OER

How Tall Is That Flag Pole?

For Teachers 6th - 8th
Young scholars 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.
Lesson Plan
Curated OER

Sled Kite

For Teachers K - 8th
Students make and fly a sled kite out of plastic garbage bags, dowel rods, and more. In this kite lesson plan, students plan the kite to have symmetry and make adjustments as they test it.
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.