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.
Interactive
Quia

Quia: Geometric Terms Word Search

For Students 3rd - 8th
Do you need practice remembering or learning different geometry vocabulary words and definitions? This word search is the web site for you! There is a link to a list of terms with definitions you can click if you want to see if you are...
Interactive
Quia

Quia: Geometric Terms Flash Cards

For Students 2nd - 8th Standards
Do you need practice remembering or learning different geometry vocabulary words and definitions? The flash cards at this web site are for you! There is a link to a list of terms with definitions you can click if you want to see if you...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg, G Gmd Global Positioning System Ii

For Teachers 9th - 10th Standards
Satellites communicate with a GPS device and establish the distance between them and their locations. The set of points at a fixed distance from a satellite form a sphere so when the GPS receives its distance from a given satellite, this...
Activity
Texas Instruments

Texas Instruments: Matching Quadratics Equations With Pictures!

For Teachers 9th - 10th
Students will submit equations in vertex form that will match the roller coaster using activity center. They will also find the intersection point of two roller coasters.
Unit Plan
BBC

Bbc: Bitesize: Rectilinear Shapes

For Students 9th - 10th Standards
Find the gradient, equations and intersections of medians, altitudes and perpendicular bisectors using our knowledge of the mid-point as well as parallel and perpendicular lines.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 8.7 Tangent Lines to Circles

For Students 9th - 10th Standards
When a line intersects a circle in exactly one point the line is said to be tangent to the circle or a tangent of the circle.
Article
A&E Television

History.com: The 1906 Atlanta Race Massacre: How Fearmongering Led to Violence

For Students 9th - 10th
In the center of downtown Atlanta, a handful of streets intersect, forming what locals know as Five Points. Today, a park, a university, high-rise buildings and throngs of motorists and pedestrians make this a bustling area, belying its...
eBook
Math Planet

Math Planet: Pre Algebra: Geometry Fundamental Statements

For Students 9th - 10th Standards
Provides examples and a video lesson that introduce fundamental statements of geometry.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G C Locating Warehouse

For Teachers 9th - 10th Standards
You have been asked to place a warehouse so that it is an equal distance from three roads on a map. Learners must fold a paper so that this point is where two folds intersect, and they must explain why their construction works and why...
Lesson Plan
Khan Academy

Khan Academy: Rendering: Ready to Dive Into Some Math?

For Students 9th - 10th
In this lesson we are going to explore the most fundamental calculation a ray tracer performs: ray object intersection. It also lists information you need to know before you start this lesson.
Handout
Math Open Reference

Math Open Reference: Concurrent Lines

For Students 9th - 10th
Learn about concurrent lines with this helpful reference tool. Provides a detailed definition and example.
Graphic
Curated OER

Educational Technology Clearinghouse: Maps Etc: Nevada, 1903

For Students 9th - 10th
A map from 1903 of Nevada showing counties and county seats, principal cities and towns, mountain ranges, and rivers. "Nevada, one of the most western of the States of the American Union, was formed from a portion of the territory...
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.
Lesson Plan
Alabama Learning Exchange

Alex: Build a City on Geometry

For Teachers 6th - 8th
The students will be split into small, cooperative groups and build a city following specific guidelines. The students will learn how a city is constructed with angles, intersections, parallel, intersecting, and transversal streets. They...
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Mapping Fireprints

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this diverse lesson has students perform linear regression analysis (to compare two fire variables), check three-dimensional points using a planar equation, and evaluate points to determine...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Linear Functions

For Teachers 9th - 10th Standards
In this problem, learners are presented with the equations of two linear functions and their intersecting graphs. They are asked to label the graphs and compute values for several points on the graphs. Aligns with F-LE.A.1.b.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Vertical Line Test 27 [Pdf]

For Students 9th - 10th
The practice exercise uses a test to determine if any vertical lines intersect with a graph at more than one point. The resource consists of an enlarged printable version of a graph available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Vertical Line Test 28 [Pdf]

For Students 9th - 10th
The practice exercise uses a test to determine if any vertical lines intersect with a graph at more than one point. The resource consists of an enlarged printable version of a graph available in PDF format.