"The Greedy Triangle" by Marilyn Burns
Students discover which regular polygons can be used to tile a plane.
6 Views 6 Downloads
- Collection Types
- Activities & Projects
- Graphics & Images
- Handouts & References
- Lab Resources
- Learning Games
- Lesson Plans
- Primary Sources
- Printables & Templates
- Professional Documents
- PD Courses
- Study Guides
- Unit Plans
- Instructional Videos
- Performance Tasks
- Graphic Organizers
- Writing Prompts
- Constructed Response Items
- AP Test Preps
- Lesson Planet Articles
- Online Courses
- Interactive Whiteboards
- Home Letters
- Unknown Types
- Stock Footages
- News Clips
- All Resource Types
- Show All
See similar resources:
Math Stars: a Problem-Solving Newsletter Grade 7Lesson Planet: Curated OER
Put on your thinking caps because middle school math has never been more interesting in this huge resource full of thought provoking questions. Written as a newsletter, the resource has 10 two-page newsletters with a variety of...
6th - 9th Math CCSS: Adaptable
TrianglesLesson Planet: Curated OER
After reviewing characteristics of seven types of triangles, young geometers discover how to find the missing angle of a triangle. Then, they practice identifying triangles, find missing angles, and find missing side lengths of similar...
4th - 7th Math CCSS: Adaptable
Frog Garden Party! Toads and Triangles in the Math GardenLesson Planet: Curated OER
It's frog party time! With frog banners, frog juice, and a triangle hunt, your garden party is sure to be both entertaining and educational. The lesson connects geometry, earth science, and delicious snacks to teach kids about ecosystems...
4th Math CCSS: Designed
Lyle's TrianglesLesson Planet: Curated OER
Try five problems on triangles. Levels A and B focus on shapes that can be created from right triangles. Level C touches upon the relationship between the area of a six-pointed star and the area of each triangle of which it is composed....
K - 12th Math CCSS: Designed
Classifying PolygonsLesson Planet: Curated OER
A straight edge, a right angle, a number of vertices; sounds like it's time to classify polygons. That's right you and your class will learn all about the properties of polygons and how to classify them with this easy to follow...
4th - 5th Math CCSS: Adaptable
PolygonsLesson Planet: Curated OER
What shapes classify as a polygon? The resource provides the definition of a polygon and provides examples of polygons and shapes that are not polygons. The presentation gives an explanation of why each shape falls into the particular...
7 mins 4th - 8th Math
Classifying Polygons: LessonLesson Planet: Curated OER
For your eyes only: classify the names of polygons. After providing the definition of a polygon, the video introduces the two major classifications of polygons, concave and convex. The segment of a larger playlist on geometry continues...
4 mins 4th - 8th Math CCSS: Adaptable
Polygons-Changing Area Versus Changing PerimeterLesson Planet: Curated OER
Investigate the area and perimeter of polygons in this geometry instructional activity. Young geometers use grid paper to draw a quadrilateral and calculate its area and perimeter. They also read The Greedy Triangle to identify the...
5th - 8th Math CCSS: Designed
Area and Perimeter of Regular and Irregular PolygonsLesson Planet: Curated OER
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
3rd - 6th Math CCSS: Adaptable