﻿ EMAT 6680 Class Page for

Class Page

Mrs. Coffman

Send me an e-mail at carly_coffman@gwinnett.k12.ga.us

Math Forum(alias Geometry Forum)

Projects

Student Explorations

NCTM E-examples: Interactive measures of central tendency, Pythagorean Theorem proof, rate of change problems, and more

Virtual Manipulatives:  Interactive algebra tiles, balance scales for solving linear equations, probability of games, using deductive thinking to solve problems, and more

Pythagorean Theorem: Interactive proofs of the Pythagorean Theorem

Outer Angles of Polygon:  Interactive applet explaining sums of outer angles of polygons

Linear Function Graphs:  Demonstration of tank being filled with water and graph

Conics

Missle Application:  Determine if a chopper can carry missiles

Algebra Applets:  Integers, Fractions, Algebra Tiles, and much more!

EMAT 6680 WRITE-UPS

Assignment 1: Exploring y = a(sin bx + c)

Assignment 2: Exploring y = ax^2 +x + 2

Assignment 3: Article:Examining ax^2 + bx + c = 0

Assignment 5: GSP Library

Assignment 6: Creating Parabolaswith GSP

Assignment 7: Tangent Circles

Assignment 8: Orthocenters andAltitudes

Assignment 9: Pedal Triangles

Assignment 10: Parametric Curves

Assignment 11: Polar Equations

EMAT 6690

Essays:

Encryption & Ciphering

Instructional Unit for Conics:

 Comets & Planets Dolphins & Footballs

EMAT 7080

(You must have Geometer’s Sketch Pad to open these files)

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