Teacher Resources for Instructional Planning


Geometry Std 12: Apply distance, midpoint, and slope formulas to solve problems and to confirm properties of polygons.

Lesson Plans Distance using Latitude and Longitude This lesson is a real-world application of the distance formula using latitude and longitude. Chicago Public Schools This is a structured lesson plan that provides strategies for teaching, examples, worksheets, and assessments. Instruction on the TI-82/83 is provided, but the use of calculators is not essential. (Day 86) Methods for proving using general coordinates This site offers instruction on how to set up a convenient coordinate system and prove using coordinate geometry. Coordinate Geometry Proofs Instructions on how to use the midpoint, slope and distance formulas to prove that a quadrilateral is a trapezoid. 5 Coordinate Geometry Proofs Here are five proofs that call on various aspects of coordinate geometry.

Resources: The Coordinate Plane Interactive lessons on midpoint and distance on the Cartesian coordinate plane. Coordinate Proof Examples These examples from Glencoe offer instructions in proving ideas about polygons using coordinates.
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