Curated OER
Exploring Polygons and The Greedy Triangle
Excellent lesson! Anne Linehane's geometry story, The Greedy Triangle, offers an opportunity to practice forming various types of polygons with your learners. Using elastic bands (or Chinese jump ropes), partners form the various shapes...
Arizona State University
Mining Shapes
Youngsters recognize and identify shapes. They draw, and use modeling clay to make shapes. They also identify shapes in their environment and in the Navajo culture, then compare the shapes and sort them into groups. This is the website...
Curated OER
Shaping Up!
Kindergartners are introduced to basic shapes. Learners spend 45 minutes a day in geometry centers carrying out the activities outlined in this ambitious plan. There are games, hands-on activities, interactive websites, art projects,...
Curated OER
Geometric Shapes at the OK Corral
Students explore regular geometric shapes. In this shapes lesson, students investigate geometric shapes in the world around them. Students differentiate between regular and irregular shapes.
Curated OER
Classifying Conic Sections
In this conic section learning exercise, students classify 8 conic sections. They write the standard form of 8 conic sections. Students sketch the graph of six shapes. For the graphs, students are directed to find either vertex and...
Curated OER
Classifying Solids
In this geometry worksheet, learners classify polygons based on their sides and shape. There are 16 shapes to be identified with an answer key.
Curated OER
Classifying Activity
In this classification worksheet, students classify items in two rooms into eight different groups by choosing different characteristics to classify items.
Curated OER
Sampling Rocks
Here is a geology lesson which invites learners to explore a variety of rocks. They find rocks in the schoolyard and classify them according to size, color, and weight, then read the book Everybody Needs a Rock. Good lesson!
Curated OER
Sorting Things Out
Written to examine seeds that grow in Kansas, you can adapt this instructional activity to anywhere you live. Learners sort a mixture of five different seeds to by any characteristic of their choice. When your budding scientists are...
Curated OER
Grouping Buttons
Looking for a good lesson plan on counting and sorting? This lesson plan is worth a look! In this classification lesson plan, learners sort buttons by color, shape, shiny verses not shiny, or number of holes.
Curated OER
ASL: Lesson 20
Teach it, learn it, communicate with it. ASL is at your fingertips with this sign language series. Lesson 20 focuses on classifiers, descriptive vocabulary, and asking questions. Each blue link on the page takes you to an image or video...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 2
Test scholars mathematic skills with an assessment addressing addition, subtraction, multiplication, place value, measurement, geometric shapes, expanded notation; and their ability to compare numbers, write number sentences, draw...
CK-12 Foundation
Venn Diagrams: T-Shirt Mystery
Sorting your t-shirts is easy with Venn diagrams. Individuals use a drag and drop interactive to classify shapes on t-shirts into Venn diagrams. A set of challenge questions tests whether the classification is correct.
Curated OER
Classify Prisms
Middle schoolers classify prisms according to their attributes. For this classifying prisms lesson, students explore different prisms. Middle schoolers generate observations of the attributes and classify the prism correctly.
Curated OER
Classifying Living Things
Young scholars identify how to classify living things. They classify various concepts including family members, kinds of clothing, numbers, shapes, and vocabulary words. They discuss how to classify various concepts and classify...
Curated OER
Geometry Journal: Classifying Solids
In this geometry worksheet, 10th graders respond to journal prompts related to prisms and classifying solid shapes. The two page worksheet contains nine questions. Answers are included.
Curated OER
Identifying and Classifying Solid Figures
Learners identify and classify solid geometric figures. In this geometry lesson, students bring in objects that look like solid shapes and identify their attributes. Learners identify the number of surfaces and faces on each figure.
Curated OER
Identify Plane Shapes and Solid Shapes
First graders explore the math concept of geometric shapes. In this plane shapes and solid shapes lesson, 1st graders examine visual examples. Students also practice solving problems that their instructors model.
Curated OER
What a Shape!
Second graders culminate their study of shapes by describing the shapes using the proper mathematical descriptors.
Pennsylvania Department of Education
A Geometric Scavenger Hunt
Fifth graders connect their knowledge of polygons and polyhedrons. In this geometric shapes lesson, 5th graders identify and classify two- and three-dimensional objects. Students construct a polyhedron out of polygons and describe their...
Curated OER
The Truth About Triangles And Proofs
Learners engage in a lesson that is about the classification of triangles and the mathematical proofs involved in working with them. They work on a variety of problems that are created by the teacher with the focus upon the importance of...
Curated OER
One Good Turn Deserves Another
Students make observations about shapes and 1-, 2-, and 3-dimensional objects. They conduct observations and make predictions regarding transformations of simple geometric shapes. They identify shapes that occur in household items.
Curated OER
Geoboard Area
Students explore the basic geometric shapes and geometric shape vocabulary through the use of geoboards and virtual geoboards. They create a variety of shapes with a partner, build ten different rectangles on their geoboards, and...
Curated OER
Geometry is Fun and EverywhereGeometry, You Don’t Care? Geometry is Fun and Everywhere
Third graders investigate shapes in our world. In this geometry lesson, 3rd graders describe plane and solid shapes and identify angles, solid objects and lines of symmetry. Students use online resources, graphic organizers and conduct...