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iRubric: Group Project: Prime Factorization rubric

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Group Project: Prime Factorization 
Students will create factor trees within their team, one per student. Each of the factor trees start with a number of at least 50.
Rubric Code: X43922
Ready to use
Public Rubric
Subject: Math  
Type: Project  
Grade Levels: (none)

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  Excellent

3 pts

Almost There

2 pts

Try Again Tomorrow

1 pts

Correctness

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Excellent

All of the numbers are factored correctly with no mathematical errors at all.
Almost There

There are only 1-2 mistakes in the project.
Try Again Tomorrow

There are more than 2 mistakes in the project.
Creativity

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Excellent

The factor tree is presented in a creative and organized manner. It is easily read.
Almost There

The factor tree is presented in a creative and organized manner.
Try Again Tomorrow

The factor tree is not presented in a creative and organized manner, and it is not easily read.
Presentation

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Excellent

Students work together to explain how they factored each number. Presentation is clear and precise.
Almost There

Presentation is clear and precise.
Try Again Tomorrow

Students do not work together to present project, and the presentation is not clear and precise.



Keywords:
  • factor, prime

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