Virginia Department of Education
Translation and Reflection
Bring about the change you want to see in the world or at least in your lesson plans. Young mathematicians learn about translation and reflections by applying them to polygons on the coordinate plane. Results provide data to develop...
Curated OER
Reflecting Reflections
A triangle rests in quadrant two, from which your class members must draw reflections, both over x=2 and x=-2. This focused exercise strengthens young scholars' skills when it comes to reflection on the coordinate plane.
EngageNY
Sequencing Reflections and Translations
Don't get out of order! Examine the effect of order on a sequence of transformations. Learners perform reflections and translation transformations in sequence. They see that changing the order of the transformations does not always have...
EngageNY
Definition of Reflection and Basic Properties
Discover the results of reflecting an image. Learners use transparency paper to manipulate an image using a reflection in this fourth lesson of 18. They finish by reflecting various images across both vertical and horizontal lines.
Curated OER
Congruent Rectangles
Very simply, geometers examine a pair of rectangles on graph paper and find a translation and rotation to demonstrate their congruence. A couple of questions follow to stimulate critical thinking about other possibilities.
Curated OER
Triangle Congruence with Coordinate
Two triangles are displayed on a coordinate plane. Youngsters apply a reflection and a translation to demonstrate their congruence. This exercise makes a terrific tool for teaching these concepts, or a way to assess learning.
EngageNY
Sequences of Rigid Motions
Examine the various rigid transformations and recognize sequences of these transformations. The activity asks learners to perform sequences of rotations, reflections, and translations. Individuals also describe a sequence that results in...
Willow Tree
Transformations
How does something go from here to there? Describe it with a transformation. Young mathematicians learn how to translate, reflect, rotate, and dilate an image.
Curated OER
Transformations in the Coordinate Plane
Your learners connect the new concepts of transformations in the coordinate plane to their previous knowledge using the solid vocabulary development in this unit. Like a foreign language, mathematics has its own set of vocabulary terms...
Shodor Education Foundation
Transmographer
Introducing ... the Transmographer. Young mathematicians investigate translations, reflections, and rotations. The applet lets users perform transformations on triangles, squares, and parallelograms.
K20 LEARN
Transformers Parts 2-5 - Algebra 2 Parent Functions: Function Transformations
Dive into an activity that may cause a little reflection! Building from the first lesson plan in the series of two, learners explore transformation using unfamiliar functions. The key takeaway is that applying transformations to any...
Stanford University
Louis XIV
His reign was known for the extravagance of Versailles, as well as fiscal failure. Referred to as the Sun King, and the art of Louis XIV's court reflects his absolute power in France. By examining the image of bronze engraving from a...
EngageNY
Construct and Apply a Sequence of Rigid Motions
Breaking the rules is one thing, proving it is another! Learners expand on their previous understanding of congruence and apply a mathematical definition to transformations. They perform and identify a sequence of transformations and use...
National Endowment for the Humanities
The Beauty of Anglo-Saxon Poetry: A Prelude to Beowulf
Riddle me this! What do kennings, caesura, and alliteration have to do with the Nowell Codex? Introduce class members to Anglo-Saxon poetry and prepare readers for a study of Beowulf with a series of activities that includes asking...
EngageNY
Properties of Similarity Transformations
You can explain it, but can you do it? After learners view a sequence of transformations, the next logical step is creating the transformation. Challenge your classes to construct a composition of transformations and verify the...
Civil War Trust
Transcribing Civil War History
Primary sources are valuable for understanding the context of historical events, but the diction and dialect in these documents can be difficult to understand. Middle and high schoolers participation in a transcription process in which...
Mathematics Vision Project
Module 6: Congruence, Construction, and Proof
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This unit...
Illustrative Mathematics
Why Does SSS Work?
While it may seem incredibly obvious to the geometry student that congruent sides make congruent triangles, the proving of this by definition actually takes a bit of work. This exercise steps the class through this kind of proof by...
EngageNY
Mid-Module Assessment Task: Grade 8 Module 2
It's time for a concept check! Check for student understanding over the three types of rigid transformations. The assessment follows the first 10 lessons in this series and to test pupils' proficiency of these concepts. Individuals...
EngageNY
Four Interesting Transformations of Functions (Part 4)
What do you get when you cross piecewise functions with transformations? An engaging lesson! The conclusion of a four-part series on the transformations of functions asks class members to apply transformations to piecewise functions...
EngageNY
Complex Numbers and Transformations
Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...
Virginia Department of Education
Transformations
Geometry in life-sized dimensions! Using enlarged graph paper, pupils perform a series of transformations. By recording the initial and final placement of the images, they are able to analyze the patterns in the coordinates during a...
Amnesty International
Respect My Rights, Respect My Dignity: Module One – Poverty and Human Rights
Creating an environment where learners feel both educated and empowered challenges any teacher when discussing a sometimes bleak topic. A respectful resource provides them with the details and permits them to make a plan of action....
US Department of Education
A Close Reading of Lincoln’s Gettysburg Address
Abraham Lincoln's Gettysburg Address provides the text for a series of close reading exercises that model for instructors how carefully crafted guiding questions can help readers think critically about what they read, thus developing...