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iRubric: Factor Christmas Tree rubric
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Factor Christmas Tree
Factor Tree
Students will create a factor tree and writ their answer in prime factorization.
Rubric Code:
B23X2AW
By
nickizorawski
Ready to use
Public Rubric
Subject:
Math
Type:
Project
Grade Levels:
6-8
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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
Good
Includes all required elements; 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.
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.
Subjects:
Math
Types:
Project
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