Activity
Maths Challenge

Maths challenge.net: Triangle Area

For Students 9th - 10th Standards
Find the area of this triangle in a coordinate plane.
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Khan Academy

Khan Academy: Practice: Translate Points

For Students 6th - 8th Standards
In this exercise, students practice performing translations on a coordinate plane. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
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Khan Academy

Khan Academy: Reflect Points

For Students 6th - 8th Standards
In this exercise, students practice performing reflections on a coordinate plane. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
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Khan Academy

Khan Academy: Practice: Rotate Points

For Students 6th - 8th Standards
In this exercise, students practice performing rotations on a coodinate plane. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: Practice: Rotate Points

For Students 7th - 8th Standards
In this set of questions, students use an interactive tool to rotate objects on a Cartesian grid. Help is available through hints and videos.
Lesson Plan
Oswego City School District

Regents Exam Prep Center: Shuffling Cards to Practice Transformations

For Teachers 9th - 10th
This Regents Prep site offers an interesting classroom lesson for transformations on a coordinate plane using flash cards.
Graphic
Oswego City School District

Regents Exam Prep Center: Length of a Line Segment (Distance)

For Students 9th - 10th Standards
Use the coordinate plane and Pythagorean theorem to determine the length of a line segment. Click on the "Topic Index" to find a related practice exercise and teacher resource.
Graphic
University of Cambridge

University of Cambridge: Nrich: Transformation Tease

For Students 3rd - 8th Standards
Follow the directions at this one page website. You will get lots of practice plotting points on the coordinate grid and experience with transformational geometry.
Interactive
Math Slice

Math Slice: Hide and Seek

For Students Pre-K - 1st Standards
Play hide and seek with Lion King character Timon in this interactive game where learners practice finding coordinates using ordered pairs. The game is personalized and high scores are posted.
Whiteboard
ClassFlow

Class Flow: Graph of an Equation

For Teachers 9th - 10th Standards
[Free Registration/Login Required] In 1637, Rene Descartes revolutionized the study of mathematics by joining its two major fields, algebra and geometry. With Descartes's coordinate plane, geometric concepts could be formulated...
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Khan Academy

Khan Academy: Determine Reflections (Advanced)

For Students 9th - 10th Standards
Given two figures on the coordinate plane, find the formal definition of the reflection that takes one figure to another. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive...
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Khan Academy

Khan Academy: Determine Rotations

For Students 9th - 10th Standards
Given a figure on the coordinate plane and a center of a rotation, find the angle for the rotation that maps one figure to the other. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
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Khan Academy

Khan Academy: Rotate Shapes: Center Not (0,0)

For Students 9th - 10th Standards
Given a figure on the coordinate plane and the definition of a rotation about an arbitrary point, draw the image of that rotation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video,...
Unit Plan
Sophia Learning

Sophia: Translations of Geometric Figures: Lesson 1

For Students 9th - 10th
This lesson will present how to translate a geometric figure on a coordinate plane, and will discuss how the properties of the figure are affected. It is 1 of 5 in the series titled "Translations of Geometric Figures."
PPT
Sophia Learning

Sophia: Translations of Geometric Figures: Lesson 3

For Students 9th - 10th
This lesson will present how to translate a geometric figure on a coordinate plane, and will discuss how the properties of the figure are affected. It is 3 of 5 in the series titled "Translations of Geometric Figures."
Website
PBS

Pbs Learning Media: Two Points Determine a Line

For Students 6th - 8th Standards
In this video segment [2:10] from Cyberchase, Digit must make a straight line between the two points and then follow the path created.
Website
PBS

Pbs Learning Media: Two Sightings, Different Information

For Students 5th - 7th
Jackie and Matt are looking at the same object along two different lines, in this video segment from Cyberchase.
Website
Other

Central Michigan University: Point Slope Form

For Students 9th - 10th Standards
This resource features information on the point-slope form in geometry. It provides a good definition, several examples, and information on various forms.
Unit Plan
CK-12 Foundation

Ck 12: Parallel Lines

For Students 9th - 10th Standards
[Free Registration/Login Required] Students explore the concept of parallel lines by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the...
Lesson Plan
University of South Florida

Fcat: Reflection: Teacher Notes

For Teachers 9th - 10th Standards
Students use the coordinate plane to investigate how reflections affect geometric shapes. Can be used by the student, but is also a great lesson plan idea for teachers.
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Khan Academy

Khan Academy: Congruence and Transformations

For Students 9th - 10th Standards
Given a pair of figures in the coordinate plane, try to map one onto the other and determine whether they are congruent. Includes examples of glide reflections. Students receive immediate feedback and have the opportunity to try...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Ced.2 and G Gmd.4: Global Positioning System I

For Teachers 9th - 10th
This question examines the algebraic equations for three different spheres. The intersections of each pair of spheres are then studied, both using the equations and thinking about the geometry of the spheres. Aligns with A-CED.A.2 and...
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Math Slice

Math Slice: Graph Slice Special Test

For Students 3rd - 8th Standards
A ten question test for assessing measurement concepts of area and perimeter. Assessment is scored online and student scores are compared with other students who have taken the assessment. Great assessment tool.
Activity
Mathematics for Teaching

Mathematics for Teaching: Teaching Mathematics With Geo Gebra

For Students 9th - 10th Standards
Students complete activities using GeoGebra to explore geometry concepts such as the coordinates of points.

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