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iRubric: Factor Christmas Tree rubric

iRubric: Factor Christmas Tree rubric

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Factor Christmas Tree 
Students will create a factor tree and writ their answer in prime factorization.
Rubric Code: J2398B5
Ready to use
Public Rubric
Subject: Math  
Type: Project  
Grade Levels: 6-8


Powered by iRubric Factor Tree Leaves
  Excellent

4 pts

Good

3 pts

Fair

2 pts

Poor

1 pts

Factor Tree

Excellent

Tree begins with a composite number; factor tree is complete and correct; no mistakes.
Good

Tree begins with a composite number; factor tree is complete with one mistake.
Fair

Tree begins with a composite number; factor tree contains two mistakes.
Poor

Factor tree is incomplete and/or contains more than two mistakes.
Prime Factorization

Excellent

Includes all required elements; factors are all primes; ordered from least to greatest. Exponents are used when relevant.
Good

Includes all required elements; factors are all primes; some are ordered from least to greatest. Exponents are used when relevant.
Fair

Missing one or two required elements. some of the numbers are prime; not ordered from least to greatest. Did not use exponents when relevant.
Poor

Missing many elements or not completed. numbers are not primes; not ordered from least to greatest.
Effort

Excellent

A great deal of effort was put into the project.
Good

A good deal of effort was put into the project.
Fair

A fair deal of effort was put into the project.
Poor

Project is poorly completed.




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