Oswego City School District
Regents Exam Prep Center: Geometry Vocabulary Resources
A list of geometry definitions and a matching activity.
PBS
Pbs Learning Media: Finding the Intersection
In this Cyberchase video, Inez and Digit identify the location of the transformatron using their knowledge of parallel and intersecting lines.
Free Math Help
Free Math Help: Geometry Vocabulary
The tutorial examines basic geometry vocabulary. Definitions and examples of a point, line, line segment, ray, and plane are included.
Illustrative Mathematics
Illustrative Mathematics: G Co Construction of Perpendicular Bisector
A and B are two distinct points in the plane and line AB is the segment joining them. The goal of this problem is to construct the perpendicular bisector of segment AB. Aligns with G-CO.D.12.
Learning Wave Communications
Learning Wave: Algebra, Section 2
The basic concepts of graphing are covered on this site, including points, slopes, equations of lines, and y-intercept. A quick discussion on the Pythagorean Theorem is also concluded. Several practice and application problems are...
CK-12 Foundation
Ck 12: Geometry: Basic Geometric Definitions
[Free Registration/Login may be required to access all resource tools.] In this lesson students define and use geometric terms. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
PBS
Pbs Learning Media: Two Sightings, Different Information
Jackie and Matt are looking at the same object along two different lines, in this video segment from Cyberchase.
Math.com
Math.com: Coordinate Geometry
The lesson investigates coordinate geometry. Definitions, examples, and a worksheet are available.
BBC
Bb Ci: Exponential Graphs (Higher)
Exponential graphs increase rapidly in the Y direction and will never fall below the X -axis, thus forming a curve.
University of Regina (Canada)
University of Regina: Math Central: Basics of Graphing
Students learn the basics of graphing including terminology, plotting, and reading points. The lesson has an overview, materials, procedures, and evaluation techniques.
University of Regina (Canada)
University of Regina: Math Central: Basics of Graphing
Students learn the basics of graphing including terminology, plotting, and reading points. The instructional activity has an overview, materials, procedures, and evaluation techniques.
Math Planet
Math Planet: Pre Algebra: Geometry Fundamental Statements
Provides examples and a video lesson that introduce fundamental statements of geometry.
Texas Instruments
Texas Instruments: Linear Regression: Wing Span/height
Students take measurements of individual's wing span and height and create a coordinate graph. The activity should include at least three different grade levels. Students submit an equation through "Activity Center" and the class...
National Council of Teachers of Mathematics
The Math Forum: Analytic Geometry: Polar Coordinates
This site from The Math Forum provides great information on polar coordinates. You can access this information either by clicking on the coordinates link or just scrolling down, it is the first one listed on the page. Includes several...
TeachEngineering
Teach Engineering: A Lego Introduction to Graphing
Students use a LEGO ball shooter to demonstrate and analyze the motion of a projectile through use of a line graph. This activity involves using a method of data organization and trend observation with respect to dynamic experimentation...
Wolfram Research
Wolfram Math World: Geometry
This MathWorld tutorial provides detailed overviews of the concepts and theorems associated with geometry. Most of the Math World sites are extensive and some require higher math knowledge to understand, links to terms and topics are...
TeachEngineering
Teach Engineering: Can You Resist This?
This lab demonstrates Ohm's law as students set up simple circuits each composed of a battery, lamp and resistor. Students calculate the current flowing through the circuits they create by solving linear equations. After solving for the...
Khan Academy
Khan Academy: Midpoint Formula
Find the midpoint of a segment on the coordinate plane, or find the endpoint of a segment given one point and the midpoint. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
ClassFlow
Class Flow: Perpendicularity
[Free Registration/Login Required] This flipchart looks at perpendicularity. There are two student activities, one with constructing perpendicular lines (student worksheet attached) and the other is the coordinate plane.
CK-12 Foundation
Ck 12: Geometry: Basics of Geometry Study Guide
This study guide on Geometry covers some key vocabulary, drawing and labeling diagrams, describing geometric figures, and basic postulates for points, lines, planes, and intersections. It is available for download with free registration.
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.
Illustrative Mathematics
Illustrative Mathematics: G Gpe, G Srt Finding Triangle Coordinates
Given a picture of a triangle on a coordinate grid, students are asked to find the coordinates of points which divide line segments in a given ratio. Aligns with G-GPE.B.6 and G-SRT.B.5.
Shodor Education Foundation
Shodor Interactivate: Transmographer 2
Build your own polygon and transform it in the Cartesian coordinate system. Experiment with reflections across any line, rotations about any point, and translations in any direction.
CK-12 Foundation
Ck 12: Isosceles Triangles
[Free Registration/Login Required] Students are given an Isosceles triangle and are asked to move the point on the line segment to explore how the angle measure changes. Click learn more to watch a video demonstration and click challenge...