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 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 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 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.
Handout
Math Open Reference

Math Open Reference: Points and Lines

For Students 9th - 10th Standards
A complete reference guide to points, lines, and planes. It provides definitions and interactive activities that enhance further explanation.
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.
Interactive
Mangahigh

Mangahigh: Shape: Construct Bisectors and Other Lines

For Students 9th - 10th Standards
Test your knowledge of construting bisectors on lines.
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.
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.