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Curated OER
Angles, Triangles, Quadrilaterals, Circles and Related
Students classify angles. For this angles lesson, students explore the characteristics of angles, triangles, quadrilaterals and circles. They identify polygons and sing a classifying angles song. Students participate in a manipulative...
Curated OER
Triangle Classificaition with Geometer's Sketchpad.
Students use Geometer's Sketchpad to draw triangles and explore the classificaiton of each using the mearsures of interior angles and the lengths of the sides.
Curated OER
Transforming Triangles
Sixth graders graph translations (slides) and reflections (flips) on a coordinate plane. They visualize and identify geometric shapes after applying transformations on a coordinate plane. Finally, 6th graders write a paragraph telling...
Curated OER
Shapes Activities and Lessons
A fabulous lesson on identifying circles, triangles, squares, and rectangles awaits your students. They use large motor skills hopping from shape to shape, use visual and kinesthetic skills passing a ball of yarn between three people to...
Curated OER
Big Fleas Have Little Fleas
A benthic habitat hosts a vast collection of organisms and its structure influences the biodiversity. Middle-school marine biology explorers will discuss how corals impact structure, and therefore diversity, on the ocean floor. They draw...
National First Ladies' Library
Fire! The Triangle Shirtwaist Factory Trial and It's Aftermath
Middle schoolers research, examine and are provided the opportunity to re-enact one of the most exciting trials of the 20th century, The Triangle Shirtwaist Factory Trial. They research the history of the trial and then divide into...
Curated OER
Congruent Triangles Postulates
Students discover three lettered postulates that prove triangles congruent.
Curated OER
Triangles Introduction
Students explore geometry by drawing various shapes in class. In this triangle characteristics lesson, students identify the attributes that classify a shape as a triangle and practice using their bodies to create triangles in class....
Curated OER
What is an Iron Triangle?
Students discuss how interest groups, congress and the executive branch play a role in policy making to make up the Iron Triangle. They list the three points of the Iron Triangle and explain the role they have on public policy. Students...
Curated OER
Toe to Toe Geo
Students study triangles. In this triangle lesson plan, students compare and classify triangles while milling to music. Students will also trade triangles so they can match up with other similar triangles. Triangles are provided.
Illustrative Mathematics
Running on the Football Field
Make your class into Pythagorean theorem fanatics in no time. What a great resource to get your sports enthusiasts into the math game! Read the commentary so you can you can strategize how to apply the three math practices.
Curated OER
Exploring Geometric Figures
Tenth graders explore mathematics by participating in hands-on daily activities. Learners identify a list of different shapes and classify them by shape, size, sides and vertices. They utilize tangrams and geometric pieces to gain...
Curated OER
Drawing Straws
Fourth graders examine the Triangle Inequality Theorem by investigating possible lengths of the sides of a triangle.
Curated OER
Shapes...the Beginning of Geometry
Students identify and name basic shapes and points. In this elementary geometry activity, students use printable cut outs to name circles, triangles, and squares before playing a game with them. They play a game of "Pin the Tail on the...
Curated OER
Human Geometry Book
Young scholars investigate geometric shapes. In this geometry instructional activity, students read the book The Greedy Triangle and define the shapes mentioned in the book. Young scholars make the shapes by using their bodies.
Curated OER
Number Patterns in Everyday Life
Examine scenarios involving number patterns. Learners complete a series of activities, including working with Pascal's triangle ando completing chart activities based on different pricing for pizza toppings. An included extension has...
Curated OER
Stabilization Wedges Game
Teamwork and critical thinking combine to for a creative instructional activity on reducing greenhouse gas emissions. Ebullient environmental studies learners play a game in which they strategize how to place colorful energy wedges...
Curated OER
Fire Triangle in the Forest
Students investigate the physical properties of fire by creating storyboards. In this elements lesson, students view a video clip of forest fires and identify the cause. Students create large storyboards defining the three...
Curated OER
Triangles Are Not Bad
Students explore cultural diversity. For this multiculturalism lesson, students participate in a simulation that requires them to consider the implications of belonging to cliques and stereotyping others.
Curated OER
Bowling
Looking for a good gross motor skills lesson? Here's one that is sure to delight your little ones. They get to go bowling! You use milk cartons that have the numbers 1 - 10 on them. Kids set up the "pins" in a triangle shape, and use a...
101 Questions
Marine Ramp
Boat ramps move with waves and changes in water level. Scholars decide on the proper length for a ramp so the angle connecting both sides is appropriate. They visualize the situation and use a simulation to view the results with their...
Curated OER
Four Color Map
Students explore geometry by completing a color puzzle. In this shape identification lesson, students utilize deductive reasoning to complete a Google SketchUp puzzle with trapezoid, triangles and rectangular shapes. Students...
Curated OER
Triangle Tag
Students practice their chasing, fleeing, and dodging skills in small groups.
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