+
Interactive
1
1
GeoGebra

Conjectures and Proof

For Students 9th - 12th Standards
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...
+
Worksheet
1
1
PBS

Working with Coordinate Planes: Activities and Supplemental Materials

For Students 5th - 8th Standards
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...
+
Lesson Plan
Virginia Department of Education

Planet Line-Ups

For Teachers 9th - 12th Standards
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. 
+
Worksheet
Curated OER

Transformations - Rotation

For Students 7th
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...
+
Worksheet
Curated OER

Six Exercise Sets on Transformations

For Students 8th - 11th Standards
Middle and high schoolers solve fifteen problems from six exercise sets covering transformations, reflections, rotations, and enlargements. The solutions are provided.
+
Worksheet
Curated OER

Globe Lesson 11 - Rotation of the Earth - Grade 6+

For Students 6th - 8th
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.
+
Worksheet
Curated OER

Algebra I - Worksheet G12: Graphing Lines

For Students 9th - 12th
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.
+
Activity
Exploratorium

Momentum Machine

For Teachers 9th - 12th
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...
+
Lesson Plan
Curated OER

Symmetry in Relief

For Teachers 3rd - 8th
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.
+
Lesson Plan
Pennsylvania Department of Education

Rotational Symmetry of Polygons and Other Figures

For Teachers 5th - 8th
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...
+
Worksheet
Curated OER

Rotations, Reflections, and Translations

For Students 6th - 7th
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...
+
Worksheet
Curated OER

Congruence Statements

For Students 10th
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...
+
Worksheet
Curated OER

Reflections

For Students 10th
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...
+
Lesson Plan
Curated OER

Exploring Symmetry

For Teachers 4th - 5th
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.
+
Worksheet
Curated OER

Geometry Standardized Test Practice

For Students 10th
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...
+
Worksheet
Curated OER

Why do Stars Rise in the East?

For Students 8th - 10th
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...
+
Worksheet
Curated OER

Planet Earth

For Students 5th - 8th
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.
+
Lesson Plan
Curated OER

Symmetry Self-Assessment

For Teachers 5th - 6th
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...
+
Lesson Plan
Curated OER

Geometry: Tessellations

For Teachers 2nd - 3rd
Students create tessellations with computer software while applying their knowledge of reflections, rotations, and translations.
+
Lesson Plan
Curated OER

Tessellmaniacs

For Teachers 7th
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.
+
Lesson Plan
Alabama Learning Exchange

Our Restless Planet

For Teachers 3rd - 5th
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...
+
Worksheet
Curated OER

Slides, Flips, and Turns

For Students 5th
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.
+
Worksheet
Curated OER

Unit 14 - Loci and Transformations

For Students 9th - 12th
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.
+
Lesson Plan
Curated OER

Geometric Transformations

For Teachers 5th - 12th
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.