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Lesson Planet

Geometry: Extended Performance Task Plan for Backyard Oasis

For Teachers 9th - 12th Standards
Backyards are made for relaxing ... not doing math! Young mathematicians design a backyard based on a list of client specifications. They calculate areas, write equations for the path of a fountain, and research costs for a garden.
Lesson Planet

Introduction to Conic Sections

For Teachers 9th - 12th Standards
Learners slice cones and identify the different conics formed. They then derive the formula to solve problems involving cones. Pull out the TI calculators to visualize the slicing and the different parts and properties created.
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Standard Form of Equations

For Teachers 9th - Higher Ed Standards
Learners complete the square and identify different parts of a quadratic equation. In this algebra lesson, pupils graph conics using the TI calculator. They rewrite equations by completing the square.
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Conics in Geometry

For Teachers 9th - 12th Standards
High schoolers analyze characteristics and properties of two and three-dimensional shapes in this geometry lesson. They follow detailed directions to use the Cabri Geometry II Application on their TI-89 calculator to construct a...
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Constructing an Ellipse

For Teachers 9th - 12th Standards
Investigate the equation of an ellipse. In this equation of an ellipse equation lesson, high schoolers construct an ellipse by dragging a point around two foci. They derive the equation of an ellipse by finding the distance between the...
Lesson Planet

Ellipse

For Teachers 9th - 12th Standards
Students explore the concept of ellipses. In this ellipses lesson, they construct ellipses on their paper and follow directions on a worksheet that allow them to investigate an ellipse in more depth by looking at the major axis, foci, etc.