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This Plenty of Pentagons assessment also includes:
Why are only four colors needed to color webs from regular pentagons, not five? An assessment task requires young mathematicians to first construct regular pentagons using a compass and straightedge, then has them consider a shape formed from a net consisting of regular pentagons. The majority of the task focuses on how many colors individuals need to color webs made from regular pentagons (Four Color Theorem).
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Concepts
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Instructional Ideas
- Have struggling learners cut out nets from paper
Classroom Considerations
- You may want to provide colored pencils or markers
- Note that the resource uses some terms that may be unfamiliar to some pupils, such as ascribed
Pros
- Diagrams are clear and well-drawn
- Task incorporates multiple areas of mathematics
Cons
- Rubric has descriptors for a partial level that does not distinguish between one or two points