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Illustrative Mathematics
Illustrative Mathematics: 8.g Reflecting Reflections
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.
Illustrative Mathematics
Illustrative Mathematics: 8.g Congruent Triangles
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.
Texas Instruments
Texas Instruments: Mapping a Leaf
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...
Texas Education Agency
Texas Gateway: Graphing Dilations, Reflections, and Translations
Given a coordinate plane, the student will graph dilations, reflections, and translations, and use those graphs to solve problems.
CK-12 Foundation
Ck 12: Rotations: Line Design
[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.
Texas Instruments
Texas Instruments: Translations in the Plane
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.
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.
Oswego City School District
Regents Exam Prep Center: Working With Line Reflections
This Regents Prep site contains numerous problems concerning line reflections. Each multiple choice problem contains a short explanation.
Texas Instruments
Texas Instruments: Rotations in the Plane
In this activity, students will explore the properties of rotations and the relationships between the original and image figures.
Rice University
Rice University: Cynthia Lanius: Mathematics of Cartography: Projections
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.
Khan Academy
Khan Academy: Scaling
The final coordinate system transformation is scaling which changes the size of the grid is examined.
Khan Academy
Khan Academy: Translation
The process of moving the coordinate system is called translation. The application of translation is examined.
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...
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...
Illustrative Mathematics
Illustrative Mathematics: F Tf, G Co, Trigonometric Identities and Rigid Motions
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...
CK-12 Foundation
Ck 12: Analysis: Systems of Polar Equations
[Free Registration/Login may be required to access all resource tools.] Graphing equations on polar graphs and finding points of intersection.
Quia
Ixl Learning: Translations
Brush up on your math skills relating to translations then try some practice problems to test your understanding.