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iRubric: Unit 3: Fractions Assessments (Purple) rubric

iRubric: Unit 3: Fractions Assessments (Purple) rubric

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Unit 3: Fractions Assessments (Purple) 
Common Denominators, Adding/Subtracting fractions, finding LCD, Creating Equiv. Fractions, Solving Word Problems with Fractions
Rubric Code: H7XW48
By fitzclan
Draft
Public Rubric
Subject: Math  
Type: Assessment  
Grade Levels: 6-8

Powered by iRubric Unit 3: Assessment
Fractions: Adding and Subtracting
  Poor

1 pts

Fair

2 pts

Good

3 pts

Excellent

4 pts

Part 1
1 pts

Identifying Common Denominators
Poor

Unable to find/circle fractions pairs with common denominators or incorrectly identify fractions without common denominators
Fair

Able to identify only only 2 pairs of fractions with common denominators
Good

Able to identify less than 5 fractions with common denominators
Excellent

Student is able to identify all fractions pairs with common denominators
Part 2
1 pts

Solve fraction problems while finding LCD
Poor

Student cannot add or subtractions fractions without common denominators
Fair

After finding the equivalent fractions student cannot add them

Student does not find the equivalent fractions but adds or subtractions them.
Student can solve equations with commond denominators
Good

Student is able to find the LCD and correclty create equivalent fractions for less than 4 of the problems
Student is able to correctly add fractions with common denomiators 80% of the time
Excellent

Student is able to solve all problems correctly, listing LCD
Part 3
1 pts

Word Problem with fractions
Poor

Student cannot correctly solve word problem
Fair

Student is able to show at least one correct step in solving word problems
Good

Student is able to correctly show two steps to each word problem`
Excellent

Student is able to solve word problem correctly
Part 4
1 pts

Creating Equivalent fractions
Poor

Student cannot solve or find missing number for equivalent fractions
Fair

Student correctly fills in blanks but does not multiply correctly

Student is able to solve one one problem correctly
Good

Student solved at least three equivalent fractions correctly
Excellent

Student solved all four equivalent fractions correctly.
Part 5
1 pts

LCM
Common Denominators
Poor

Student cannot find LCM or LCD
Fair

Student is able to show LCM but cannot correctly find LCD to add fractions
Good

Student found LCD but did not correctly create equivalent fractions
Excellent

Student correctly found LCM as well as LCD for each fraction
Part 6
1 pts

Using a Ruler
Poor

Student could not find the correct measurement with any of the problems
Fair

Student was able to correctly measure 2 or less lines correctly
Good

Student was able to measure 3 lines correctly
Excellent

Student was able to correctly measure all lines correctly.
Part 7
1 pts

Conversions
Poor

Student cannot convert numbers to different measurements with any problems
Fair

Student was able to correctly convert 1 problem correctly showing all work
Good

Student was able to convert less then 3 problems correctly showing all work
Excellent

Student was able to correctly answer all four problems correctly showing all work.



Keywords:
  • LCD, Equiv. Fractions, Multiples, Commond Denominators

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