Instructional Video7:24
Corbett Maths

Loci Part 1

For Students 6th - 12th
Where can it go? The first video on loci develops a definition and provides some quick sketches of the loci of all points with given characteristics. The presenter does an example of the loci of points a given distance from an L shape.
Lesson Plan
Texas Instruments

Properties of Parabolas

For Teachers 9th - 12th Standards
Explore the properties of parabolas in this lesson. Construct a parabola given a focus and a directrix on the Ti-Nspire. Write equations of parabolas in vertex form and determine the a value of a parabola given a focus and directrix.
Worksheet
1
1
Curated OER

Using the Distance Formula

For Students 10th - 11th
In this distance formula activity, students solve and complete 30 various types of problems. First, they find the exact distance between each pair of points and make a sketch of the situation. Then, students find the center, horizontal...
Worksheet
Curated OER

Locus at a Fixed Distance

For Teachers 10th
In this locus at fixed distance worksheet, 10th graders solve 10 different problems related to determining a fixed distance. First, they write the equation of the locus of points a certain number of units from the x-axis. Then, students...
Lesson Plan
EngageNY

The Definition of a Parabola

For Students 10th - 12th Standards
Put together the pieces and model a parabola. Learners work through several examples to develop an understanding of a parabola graphically and algebraically. 
Worksheet
Curated OER

Equidistant from Two Points

For Students 11th - 12th
In this equidistant worksheet, students identify the locus of points equidistant from two given points. They write the equation of locus points. This one-page worksheet contains ten problems.
Lesson Plan
Curated OER

Introduction to Locus

For Teachers 9th - 11th
Students define the five rules of loci. In this geometry lesson, students identify the locus of points that creates a circle. They calculate the distance from a fixed line and point.
Worksheet
Curated OER

Analytic Geometry-Good Problems from Alex Pintilie

For Students 10th - 12th
For this analytic geometry worksheet, students solve 12 word problems. Problems cover identifying the locus of an equation as well as the locus.
Worksheet
Curated OER

Compound Locus

For Teachers 10th
In this compound locus instructional activity, 10th graders solve and complete 10 different problems that include compound locus. First, they determine the number of points in a plane given the units from a given line and a point on the...
Worksheet
Curated OER

Unit 14 - Loci and Transformations

For Students 9th - 12th
In this transformations learning exercise, students solve 25 short answer problems.  Students dilate, reflect, and translate points and figures in the coordinate plane.  Students determine scale factors and lines of symmetry of...
Lesson Plan
Curated OER

Properties of Parabolas

For Teachers 9th - 12th Standards
Learn to identify the properties of parabolas. High schoolers define parabola as the locus of all points equidistant from a fixed point and a fixed line. Also, interpret the equation for a parabola in vertex form and gain a visual...
Worksheet
Curated OER

Fixed Distance

For Teachers 10th
In this fixed distance worksheet, 10th graders solve 10 different problems that include determining the fixed distance from a particular point. First, they determine the locus of points inches from a specific point. Then, students write...
Worksheet
Curated OER

Parallel Lines

For Students 10th
In this parallel lines activity, 10th graders solve 10 different problems that include determining various parallel lines. First, they describe the locus of an object that has to be kept equidistant from 2 parallel objects. Then,...
Worksheet
Curated OER

Intersecting Lines

For Students 10th
In this intersecting lines worksheet, 10th graders identify and complete 10 different problems that include equidistant intersecting lines. First, they write the equation of the locus of points equidistant from the x-axis and the y-axis...
Worksheet
Curated OER

Compound Locus

For Teachers 10th
For this compound locus worksheet, 10th graders solve and complete 10 different problems related to compound locus. First, they determine the number of points in a plane that is units from a given line and from a given point on a line....
Lesson Planet Article
Curated OER

How To Teach Without Handouts

For Teachers 9th - 12th
Cut down copier time and expand the learner's locus of control with simple and effective diagrams.
Lesson Plan
Virginia Department of Education

Circles in the Coordinate Plane

For Teachers 9th - 11th Standards
Make the connection between the distance formula and the equation of a circle. The teacher presents a lesson on how to use the distance formula to derive the equation of the circle. Pupils transform circles on the coordinate plane and...
Assessment
1
1
Balanced Assessment

Fit-Ness

For Students 11th - 12th
Serve four towns with one bus route. Pupils develop a bus route that meets certain criteria to serve four towns. They determine which of the routes would best serve all of them. Individuals then hypothesize where a fifth town should be...
PPT
Curated OER

The Wonders of Horse Coat Color

For Teachers 9th - 12th
You won't be able to use a few of the slides in this presentation since the first lists objectives not met within, and the third gives instructions to a worksheet that is not included. You will, however, find the remaining slides useful...
Lesson Plan
Curated OER

Compound Locus

For Teachers 7th - 10th
Students investigate circles and compound locus. In this geometry lesson, students identify the distance from a point to a line. They use Cabri software to create lines and circles.
Lesson Plan
1
1
Illustrative Mathematics

Equal Area Triangles on the Same Base II

For Teachers 9th - 12th Standards
A deceptively simple question setup leads to a number of attack methods and a surprisingly sophisticated solution set in this open-ended problem. Young geometers of different strengths can go about defining the solutions graphically,...
Lesson Plan
Curated OER

The Centroid : Balancing the History

For Teachers 10th - 12th
Young scholars discover the centroid of a triangle based on Euclid's constructions. They explore locus of points of a median. They understand properties of the segments that form the median and areas of the smaller sections formed by the...
Worksheet
Curated OER

Angle Constructions

For Students 6th
In this angle constructions worksheet, 6th graders solve and complete 4 various types of problems. First, they construct a perpendicular bisector of two points. Then, students construct an angle bisector for the angle shown. In addition,...
Lesson Plan
Curated OER

Power Question 2

For Teachers 9th - 12th
In this math worksheet, students determine the locus of points, M, in plane ABC, such that KMAB=KMAC. They also draw the triangle ABC. Then determine the proof of the interior angles determining the identity of the equilateral triangle.