Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.g Reflecting Reflections

For Teachers 8th Standards
In this task, 8th graders are shown a picture of a triangle on a coordinate grid and are asked to draw and label reflections and explain a transformation. Aligns with 8.G.A.3.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.g Congruent Triangles

For Teachers 8th Standards
In this task, 8th graders investigate congruence and transformations of two triangles on a coordinate grid. Includes a GeoGebra worksheet that the teacher can use for demonstration purposes. Aligns with 8.G.A.2.
Activity
Texas Instruments

Texas Instruments: Mapping a Leaf

For Teachers 6th - 8th Standards
In this activity, students will identify and record ordered pairs from a coordinate plane. They will examine symmetry about the axes, reflections, and symmetry in nature. They understand geometric concepts like area and perimeter, and...
Unit Plan
Texas Education Agency

Texas Gateway: Graphing Dilations, Reflections, and Translations

For Students 8th Standards
Given a coordinate plane, the student will graph dilations, reflections, and translations, and use those graphs to solve problems.
Activity
CK-12 Foundation

Ck 12: Rotations: Line Design

For Students 6th - 9th Standards
[Free Registration/Login Required] Students will explore how to determine the coordinates of a rotated figure by adjusting the points on the line. Click challenge me to answer practice questions and click learn more to watch a video.
Activity
Texas Instruments

Texas Instruments: Translations in the Plane

For Teachers 9th - 10th Standards
In this activity, students will perform a translation, and explore the properties of translations. In the second part of this activity, they will extend the concept of translations to the coordinate plane.
Handout
Other

Stat Soft: Statistics Glossary

For Students 9th - 10th
Dozens of statistical terms are defined and illustrated in this glossary.
Study Guide
Oswego City School District

Regents Exam Prep Center: Working With Line Reflections

For Students 9th - 10th Standards
This Regents Prep site contains numerous problems concerning line reflections. Each multiple choice problem contains a short explanation.
Activity
Texas Instruments

Texas Instruments: Rotations in the Plane

For Teachers 9th - 10th Standards
In this activity, students will explore the properties of rotations and the relationships between the original and image figures.
Handout
Rice University

Rice University: Cynthia Lanius: Mathematics of Cartography: Projections

For Students 9th - 10th Standards
Understanding map projections is an important map-reading skill. Features graphics and links to examples of many different projections and an activity on making a Mercator projection.
Article
Khan Academy

Khan Academy: Scaling

For Students 9th - 10th
The final coordinate system transformation is scaling which changes the size of the grid is examined.
Article
Khan Academy

Khan Academy: Translation

For Students 9th - 10th
The process of moving the coordinate system is called translation. The application of translation is examined.
Website
Wolfram Research

Wolfram Math World: Geometry

For Students 9th - 10th
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...
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Math Challenges for Families

For Students 2nd - 8th
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...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Tf, G Co, Trigonometric Identities and Rigid Motions

For Teachers 9th - 10th Standards
The purpose of this task is to apply translations and reflections to the graphs of the functions f(x)=cos x and g(x)=sin x in order to derive some trigonometric identities. There are also rotations 180 degrees about points on the x-axis...
Unit Plan
CK-12 Foundation

Ck 12: Analysis: Systems of Polar Equations

For Students 11th - 12th
[Free Registration/Login may be required to access all resource tools.] Graphing equations on polar graphs and finding points of intersection.
Handout
Quia

Ixl Learning: Translations

For Students 7th - 9th Standards
Brush up on your math skills relating to translations then try some practice problems to test your understanding.