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iRubric: Factor Tree Poster rubric

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Factor Tree Poster 
Factor Tree Mobile
Rubric Code: UBX56W
By heatherr1664
Ready to use
Public Rubric
Subject: Math  
Type: Project  
Grade Levels: 6-8

Powered by iRubric Factor Tree Poster
  Excellent

20 pts

Good

17 pts

Fair

15 pts

Poor

12 pts

Factor Tree 1

Excellent

Tree begins with a complex composite number (number is 50 or greater); factor tree is complete and correct; no mistakes.
Good

Tree begins with a composite number (number is 50 or greater); factor tree is complete with one or no mistakes.
Fair

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

Factor tree is incomplete or contains more than two mistakes.
Factor Tree 2

Excellent

Tree begins with a complex composite number (number is 50 or greater); factor tree is complete and correct; no mistakes.
Good

Tree begins with a composite number (number is 50 or greater); factor tree is complete with one or no mistakes.
Fair

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

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

Excellent

Includes all required elements, prime factorization and exponent form are both present; factors are all primes; ordered from least to greatest
Good

Includes all required elements; prime factorization and exponent form are both present; factors are all primes; some are ordered from least to greatest.
Fair

Missing one or two required elements. some of the numbers are primes; not ordered from least to greatest.
Poor

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

Excellent

Complete with all prime numbers entered correctly. GCF and LCM are correct. Excellent.
Good

Includes all prime numbers correctly. Either the GCF or LCM is incorrect. Good.
Fair

Includes some prime numbers correctly, includes composite numbers. GCF and/ or LCM is incorrect. Fair.
Poor

Prime numbers are not ocrrect. GCF and LCM are incorrect. Incomplete and unsatisfactory.
Overall Appearance

Excellent

Every component is done completely; design of poster is clear and very engaging. Very well done.
Good

Every component is completed; design is clear; somewhat engaging. Well done.
Fair

Most components are completed; is not engaging or clearly understood. Needs improvement.
Poor

Missing many components; not engaging; difficult to understand. Unsatisfactory.




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