GeoGebra
Conjectures and Proof
Transform proofs using triangle rotations. By rotating a triangle around various points, class members develop proofs. Participants prove relationships of alternative interior angles formed by parallel lines and the sum of the interior...
PBS
Working with Coordinate Planes: Activities and Supplemental Materials
Seven activities make up a collection of supplemental materials to reinforce graphing on a coordinate plane. Worksheet objectives include plotting coordinates within single and four quadrants, measuring straight and diagonal lines, and...
Virginia Department of Education
Planet Line-Ups
Should Pluto be considered a planet or a dwarf planet? Scholars research planets in our solar system to understand their similarities and differences. It also includes memory activities related to the order of the planets.
Curated OER
Transformations - Rotation
In this transformations activity, 7th graders measure 10 different figures related to rotation. First, they determine the measure of the angle between blades of a windmill. Then, students determine the rotation clockwise and then...
Curated OER
Six Exercise Sets on Transformations
Middle and high schoolers solve fifteen problems from six exercise sets covering transformations, reflections, rotations, and enlargements. The solutions are provided.
Curated OER
Globe Lesson 11 - Rotation of the Earth - Grade 6+
In this rotation of the Earth activity, students read a 2-page review of the rotation of the earth and respond to 10 short answer questions.
Curated OER
Algebra I - Worksheet G12: Graphing Lines
In this graphing lines worksheet, students graph 28 lines given various data. Students graph lines given two points, a point and slope, and a line perpendicular or parallel to a point.
Exploratorium
Momentum Machine
If you have a rotating office chair in your classroom, you can have physics pupils participate in this simple, yet effective demonstration of angular momentum. One partner sits in the chair, arms outstretched, holding heavy weights. The...
Curated OER
Symmetry in Relief
Students explore radial symmetry. In this 3 dimensional art and geometry lesson, students identify examples of radial symmetry in everyday objects. Students create an imprint using radial symmetry on clay tiles.
Pennsylvania Department of Education
Rotational Symmetry of Polygons and Other Figures
Students explore geometry by participating in a shape rotation experiment. For this symmetry lesson, students identify the term symmetry and a list of other geometry vocabulary. Students analyze shapes as they are turned 90 degrees and...
Curated OER
Rotations, Reflections, and Translations
In this transformations worksheet, learners copy the given figures onto grid paper and complete the transformations. Students then find the pictures that show translations, rotations, and reflections. Learners finish with two test prep...
Curated OER
Congruence Statements
In this congruence statements learning exercise, 10th graders solve and complete 16 various types of problems. First, they complete each congruence statement listed. Then, students graph each set of points on the coordinate plane...
Curated OER
Reflections
In this reflections learning exercise, 10th graders solve and complete 34 different problems that include determining various reflections. First, they trace the figure and draw its reflection in each line. Then, 10th graders use the...
Curated OER
Exploring Symmetry
Young scholars use a software program to create artwork and to manipulate images to study mirror and rotational symmetry. They take pictures of items in their environment in which they identify symmetry.
Curated OER
Geometry Standardized Test Practice
In this figures and graphs review instructional activity, 10th graders solve and complete 23 various types of problems that include identifying various figures and graphs. First, they name the transformation that maps the unshaded figure...
Curated OER
Why do Stars Rise in the East?
In this stars rise in the east activity, learners use geometry to show how the Earth rotates from west to east and why celestial bodies appear to rise in the east and set in the west. Students draw a figure and label given points in...
Curated OER
Planet Earth
In this Earth worksheet, students review 13 terms associated with the Earth's rotation, revolution, and orbit. Students find the terms in a word search and then fill in the term next to its definition.
Curated OER
Symmetry Self-Assessment
Students draw symmetrical shapes. In this symmetry lesson, students complete a self assessment worksheet. Students draw shapes that have lines of symmetry. They then check for rotational symmetry and show the relationship between lines...
Curated OER
Geometry: Tessellations
Students create tessellations with computer software while applying their knowledge of reflections, rotations, and translations.
Curated OER
Tessellmaniacs
Seventh graders create 3 original tessellation using polygons. They slide, turn, rotate and glide their designs on the computer. They print their tessellation on a T-shirt and teach the 6th graders about tessellations.
Alabama Learning Exchange
Our Restless Planet
Students examine the topic of the Earth's rotation, revolution, and orbit. They observe teacher-led demonstrations, explore various websites, write journal entries, conduct a demonstration of why Earth experiences day and night, and...
Curated OER
Slides, Flips, and Turns
In this transformation worksheet, 5th graders determine if a pair of figures are related by a slide, flip, or turn. The worksheet reviews rotation, reflection, and translation.
Curated OER
Unit 14 - Loci and Transformations
In this transformations worksheet, students solve 25 short answer problems. Students dilate, reflect, and translate points and figures in the coordinate plane. Students determine scale factors and lines of symmetry of figures.
Curated OER
Geometric Transformations
Learners examine images and preimages of a mapping and identify isometry. They view images by M.C. Escher, observe teacher demonstrations, and create a translation image, a rotation image, and a dilation.