Texas Instruments
Texas Instruments: Translations in the Coordinate Plane
It is important for students to know what happens to the coordinates of points when they are translated in the coordinate plane. This activity enables students to use Cabri Jr. to develop this understanding.
Other
Hstry: Transformations
A unique geometry project that asks students to complete a transformation using a picture. Project includes instructions, examples, and quiz questions.
Texas Instruments
Texas Instruments: Transformations in Geometry
In this activity the teacher will send two lists, a window range, and an educational document via the TI-Navigator. Students will explore the reflections and rotations of a shape in the rectangular coordinate system.
CK-12 Foundation
Ck 12: Algebra: Distance Formula
[Free Registration/Login may be required to access all resource tools.] Given the coordinates of two points, use the Distance Formula to find the distance between them. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Geometry: Slope in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] This concept reviews how to calculate the slope of a line given two points on the line.
Illustrative Mathematics
Illustrative Mathematics: G Gpe, F Tf Coordinates of Points on a Circle
For this task, students are shown a unit circle in a plane and an angle measured from the x-axis. They must determine the coordinates of the line segment for the angle and answer a question about the sum of the coordinates. The purpose...
Texas Instruments
Texas Instruments: Flipping Over the Coordinate Plane
In this activity, students review basic geometry vocabulary while investigating reflections on a coordinate grid.
Mathematics Archives
Math Archives: Polar Coordinates
This site, which is provided for by the University of Tennessee, Knoxville, shows you how to graph polar coordinates on a TI-85.
CK-12 Foundation
Ck 12: Geometry: Reflections
[Free Registration/Login may be required to access all resource tools.] Recognize reflections as flips and also identify lines of reflection. Includes lots of examples, as well as review exercises. Other sections of the tutorial offer...
Common Core Sheets
Common Core Sheets: Geometry 8.g.3 Worksheets: Coordinate Plane
Worksheets provide practice with finding the area or circumference of a circle and answer keys are provided. You can even create your own worksheet or flashcards.
National Council of Teachers of Mathematics
Nctm: Figure This: Math Challenges for Families
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
Math2
Math2: Circles
This site has many useful formulas and examples relating to circles, including related definitions, circumference of a circle, area of a circle, length of a circular arc, area of a circular sector, equation of a circle in cartesian...
Illustrative Mathematics
Illustrative Mathematics: G Gpe, G Co, G Srt Unit Squares and Triangles
For this task, students are shown three unit squares and two line segments connecting two pairs of vertices. They are asked to find the area of a triangle formed by intersecting lines. They can solve it using coordinate geometry or...
Better Lesson
Better Lesson: Polygons in the Grid
Connecting the dots between Geometry and the Coordinate Grid.
CK-12 Foundation
Ck 12: Geometry: Quadrilateral Classification
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to classify quadrilaterals in the coordinate plane.
CK-12 Foundation
Ck 12: Geometry: Quadrilateral Classification
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to classify quadrilaterals in the coordinate plane.
CK-12 Foundation
Ck 12: Geometry: Rotations
[Free Registration/Login may be required to access all resource tools.] This concept teaches students what rotations are and how to find the coordinates of rotated figures.
CK-12 Foundation
Ck 12: Geometry: Reflections
[Free Registration/Login may be required to access all resource tools.] This concept teaches students about reflections and how to find the coordinates of a reflected figure.
CK-12 Foundation
Ck 12: Defining Rotations
[Free Registration/Login may be required to access all resource tools.] In this tutorial, students learn about the rules that operate in the rotation of 2-D figures on a coordinate grid. Includes video, lots of examples, review...
CK-12 Foundation
Ck 12: Geometry: Dilation in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] This concept explores graphing a dilation given a description of the dilation. Students examine guided notes, review guided practice, watch instructional videos and...
Khan Academy
Khan Academy: Points Inside/outside/on a Circle
Given the center and radius of a circle, determine if a point is inside of the circle, on the circle, or outside of the circle. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
CK-12 Foundation
Ck 12: Geometry: Perpendicular Lines in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] Use slopes to determine if two lines are perpendicular.
CK-12 Foundation
Ck 12: Geometry: Parallel Lines in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] Use slopes to determine if two lines are parallel.
CK-12 Foundation
Ck 12: Distance Formula
[Free Registration/Login Required] Students explore the concept of the distance formula by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about...
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