Activity
Oswego City School District

Regents Exam Prep Center: What Is a Locus?

For Students 9th - 10th
This site defines what a locus is and offers links to five locus theorems. Walks you through the six "Steps to solving a locus problem."
Activity
Oswego City School District

Regents Exam Prep Center: Compound Locus

For Students 9th - 10th
Loci are applied to word problems in this online tutorial. Practice problems are included. The teacher resource page supplies practical problems.
Unit Plan
Oswego City School District

Regents Exam Prep Center: The Basic Locus Theorems

For Teachers 9th - 10th
A wealth of resources for teachers introducing locus theorems to students. Lessons cover simple definitions, provide examples and diagrams, and offer connections to real-life situations. Practice exercises offer students online quizzes...
Activity
Oswego City School District

Regents Exam Prep Center: Locus at a Fixed Distance From a Line

For Students 9th - 10th
This tutorial has students investigate the second of the locus theorems. Click on the "Topic Index" link to find related practice activities and resources.
Activity
Oswego City School District

Regents Exam Prep Center: Locus Equidistant From Two Parallel Lines

For Students 9th - 10th
Use this site to learn about the fourth locus theorem regarding parallel lines. Click on the "Topic Index" link to find related practice activities and resources.
Activity
Oswego City School District

Regents Exam Prep Center: Locus Equidistant From Two Intersecting Lines

For Students 9th - 10th
The fifth theorem of loci is investigated on this site. Click on the "Topic Index" link to find related practice activities and resources.
Activity
Oswego City School District

Regents Exam Prep Center: Locus at a Fixed Distance From a Point

For Students 9th - 10th
This site defines a locus and introduces five theorems about loci. Click on the "Topic Index" link to find related practice activities and resources.
Activity
Oswego City School District

Regents Exam Prep Center: Locus Equidistant From Two Points

For Students 9th - 10th
Use this site to investigate the third theorem of loci, equidistant from two points. Click on the "Topic Index" link to find related practice activities and resources.
Unit Plan
Sophia Learning

Sophia: Internal & External Locus of Control: Lesson 2

For Students 9th - 10th
At the end of this tutorial, the learner will understand the cultural worldview spectrum re: the degree to which human action or choice can influence, change, or control events and situations. It is 2 of 3 in the series titled "Internal...
Activity
Texas Instruments

Texas Instruments: Ellipse: Locus of Points (Cabri Jr.)

For Teachers 9th - 10th
Ellipse as a locus of points using Cabri Jr.
Activity
Texas Instruments

Texas Instruments: Conics as a Locus of Points

For Teachers 6th - 8th
Students investigate the definition of a parabola through one of its geometric definitions. They study conic sections. They examine an ellipse as a locus of points such that the sum of distances from the foci to the traced path is constant.
Activity
BBC

Bbc: Ks3 Bitesize: Constructions and Locus

For Students 9th - 10th
This BBC Bitesize focuses on constructions and locus. To understand this activity, you must already know how to define perpendicular, bisect, and locus.
Handout
Wolfram Research

Wolfram Math World: Locus

For Students 9th - 10th Standards
This site defines the term "locus" as it is used in mathematics and gives an example of the locus as a set of points equal distance from a point in two and three dimensional space.
Handout
Math Open Reference

Math Open Reference: Locus

For Students 9th - 10th
Learn what a locus is with this handy reference guide. Provides a detailed definition and an interactive activity that enhance further explanation. Includes links to related topics.
Interactive
Mangahigh

Mangahigh: Shape: Locus Problems

For Students 9th - 10th Standards
Explore the relationships between length, area, and volume scale factors.
Whiteboard
ClassFlow

Class Flow: Loci

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Students learn how to apply geometric properties and relationships to describe, compare, and draw two dimensional shapes.
Website
Other

Locus Magazine: Interview With Tamora Pierce

For Students 9th - 10th
Author Pierce shares inspiration for the characters she creates and her devotion to her teen audience.
Lesson Plan
University of Washington

University Washington: Memory and Learning for Kids

For Students K - 1st
This University of Washington site includes interactive java-based games to test your memory. There are also lots of in-class activities for testing concentration and memory.
Handout
Other

Platonic Realms: Conics

For Students 9th - 10th Standards
This resource provides in depth information on the conic sections. Click on the underlined words for definitions and diagrams.
Unit Plan
Annenberg Foundation

Annenberg Learner: The Brain: Teaching Modules

For Students 9th - 10th
A collection of 32 video learning modules on everything to do with the brain.
Handout
National Institutes of Health

Genes and Disease: Marfan Syndrome

For Students 9th - 10th
Site specifies genetic cause of Marfan Syndrome as well as gene locus. Also includes disease characteristics and information regarding treatment of cardiovascular symptoms.
Handout
Wolfram Research

Wolfram Math World: Conchoid of Nicomedes

For Students 9th - 10th Standards
This site gives an approximate date at which the cochoid was studied by Nicomedes, explains what the locus of points are which make up this curve, and give cartesian and polar coordinates for such a curve, as well as a formula for the...
Activity
Texas Instruments

Texas Instruments: Math a Review 1

For Teachers 9th - 10th Standards
This StudyCards stack enables students to review concepts in algebra, arithmetic, and geometry, in preparation for the Math A Exam held in New York. They solve problems involving scientific notation, factoring, linear equations, rate of...
Handout
Other

Sierra College: Conics

For Students 9th - 10th Standards
Provides the locus of points, dominant axis and equation, discriminant, center, vertex, focus, directrix, and asymptotes for the parabola, the ellipse, and the hyperbola.

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