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iRubric: Adding/Subtracting Fractions rubric
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Adding/Subtracting Fractions
Adding/Subtracting Fractions
CCLS 4.NF.3. Understand a fraction a/b with a > 1 as a sum of fractions 1/b. a.Understand addition and subtraction of fractions as joining and separating parts referring to the same whole. b.Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual fraction model. Examples: 3/8 = 1/8 + 1/8 + 1/8 ; 3/8 = 1/8 + 2/8 ; 2 1/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8.
Rubric Code:
DXW57C3
By
lnasoff
Ready to use
Public Rubric
Subject:
Math
Type:
Assessment
Grade Levels:
K-5
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Adding/Subtracting Fractions
Limited Progress Towards Standard
1 pts
Progressing Towards the Standard
2 pts
Meets the Standard (proficient)
3 pts
Exceeds the Standard
4 pts
Make models for Fractions
Limited Progress Towards Standard
With intensive assistance, the student somewhat understands how show different representation for fractions.
Progressing Towards the Standard
With some assistance, the student somewhat understands how to show different representation for fractions.
Meets the Standard (proficient)
With minimal assistance the student is able to make representations for fractions.
Exceeds the Standard
The student is able to make models to show fractions written in different forms.
Add/Subtract the Fraction
Limited Progress Towards Standard
The student does not know how to correctly add or subtract the fractions without assistance.
Progressing Towards the Standard
With some assistance the student somewhat understands how to add and subtract fractions with like denominators.
Meets the Standard (proficient)
With minimal assistance the student somewhat understands how to add or subtract fractions with like denominators.
Exceeds the Standard
The student fully understands how to add the new numerators together, while the denominator stays the same.
Keywords:
Fractions
Subjects:
Math
Types:
Assessment
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