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Math - chapter 6 Fractions 
Rubric Code: K8CCX8
By sciencelady5
Ready to use
Public Rubric
Subject: Math  
Type: Assessment  
Grade Levels: K-5

Powered by iRubric Math Chapter 6 Fractions
Add and Subtract Fractions with Like Denominators
 

4 pts


3 pts


2 pts


1 pts

MA.5.A.2.1

Represent additions and subtraction of fractions with like denominators using models, place value or properties
4

Students showcomplete understanding of using fractions bars, number lines and fraction circles and addition properties to add and subtract fractions. Students rename fractions and record subtraction with renaming with complete understanding.
3

Students showstrong understanding of using fraction bars, number lines, fractions circles and the addition properties to add and subtract fractions. Students rename fractions and record subtraction with renaming but are unable to fully explain the concept.
2

Students shows some understanding of using fraction bars, number lines, fraction circles and the addition properties to add and subtract fractions. Students show little understanding of renaming fractions and recording subtraction with renaming.
1

Students show little understanding of using fractions bars, number lines, fraction circles and the addition properties to add and subtract fractions. Students show no understanding of renaming fractions and recording subtraction with renaming.
MA.5.A.2.4

Determine the prime factorization of numbers
4

Students show complete understanding of the divisibility rules and can find the prime factorization of a number using a factor tree and ladder diagram.
3

Students show a strong understanding of the divisibility rules and can find the prime factorization of a number using either a factor tree or a ladder diagram.
2

Students show some understanding of the divisibilty rules and find the the prime factorization of some numbers using either a factor tree or a ladder diagram.
1

Students show little understanding of the divisibility rules and cannot find the prime factorization of numbers using either a factor tree or a ladder diagram
MA.A.6.1

Identify and relate prime and composite numbers, factors and multiples within the contenxt of fractions.
4

Students show complete understanding of identifying whether a number is prime or composite and relating factors and multiples within the context of fractions using GCF and simplest form.
3

Students show a strong understanding of identifying whether a number is prime or composite and relating factors and multiples within the context of fractions using GCF and simplest form.
2

Students show some understanding of identifying whether a number is prime or composite and relating factors and multiples within the context of fractions using GCF and simplest form.
1

Students show little understanding of identifying whether a number is prime or composite and relating factors and multiples within the context of fractions using GCF and simplest form.
MA.5.A.2.2

Add and subtract fractions fluently and verify the reasonableness of results, including in problem situations.
4

Students show complete understanding of adding and subtraction fractions and mixed numbers with like denominators and verifying the reasonableness of the results.
3

Students show a strong understanding
of adding and subtraction fractions and mixed numbers with like denominators and verifying the reasonableness of the results.
2

Students show some understanding of adding and subtraction fractions and mixed numbers with like denominators and verifying the reasonableness of the results.
1

Students show little understanding of adding and subtraction fractions and mixed numbers with like denominators and verifying the reasonableness of the results.




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