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iRubric: Solving Right Triangles Portfolio rubric

iRubric: Solving Right Triangles Portfolio rubric

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Solving Right Triangles Portfolio 
Solving and applying Trigonometric Identities
Assessment of a portfolio project where students utilize all methods of solving right triangles.
Rubric Code: C248AAB
By nkbeltz
Ready to use
Public Rubric
Subject: Math  
Type: Project  
Grade Levels: 9-12

Powered by iRubric Right Triangles Portfolio
  Poor

1 pts

Novice

2 pts

Approaching

3 pts

Proficient

4 pts

Mastery

5 pts

Mathematical Concepts
50 %

Must include:
Use trigonometric ratios and their inverse identities to solve for a missing side of non-special right triangles and a missing angle for non-special right triangles.
Poor

Explanation shows very limited understanding of the underlying concepts needed to solve the problem(s) OR is not written.
Novice

Explanation shows some understanding of the mathematical concepts needed to solve the problem(s).
Approaching

Explanation shows substantial understanding of the mathematical concepts used to solve the problem(s).
Proficient

Explanation shows a complete understanding of the mathematical concepts used to solve the problem(s).
Mastery

Explanation shows a complete and advanced understanding of the mathematical concepts used to solve the problem(s).
Mathematical Reasoning
10 %

Reasoning is annotated in your work either in writing or in oral commentary.
Poor

Little evidence of mathematical reasoning.
Novice

Some evidence of mathematical reasoning.
Approaching

Uses effective mathematical reasoning.
Proficient

Uses refined mathematical reasoning.
Mastery

Uses complex and refined mathematical reasoning.
Mathematical Applications
20 %

1. SOLVED application problem for missing side of a right triangle. (10%)
2. SOLVED application problem for a missing angle of a right triangle. (10%)
Poor

No application problems were provided OR application problems were provided with no solutions.
Novice

Only one application problem had a complete solution provided, or the problem was inappropriate for the context.
Approaching

Both application problems were appropriate for the contexts and provided a solution.
Proficient

Both application problems were appropriate for the contexts and provided worked solutions.
Mastery

Both application problems were appropriate for the contexts and provided worked solutions with annotations, illustrations, etc.
Mathematical Errors
10 %

Poor

More than 75% of the steps and solutions have mathematical error
Novice

Most (75-84%) of the steps and solutions have no mathematical errors.
Approaching

Almost all (85-89%) of the steps and solutions have no mathematical errors.
Proficient

90-95% of the steps and solutions have no mathematical errors.
Mastery

All of the steps and solutions have no mathematical errors.
Completeness
10 %

The portfolio is considered complete with:
1. A graphic organizer that demonstrates how to solve a right triangle with a missing side.
2. A graphic organizer that demonstrates how to solve a right triangle with a missing angle.
3. Application problem for a missing angle problem.
4. Application problem for a missing side problem.
Poor

The work was incomplete or not submitted.
Novice

At least two of the four components were completed in accordance with the rubric criteria, and turned in.
Approaching

At least two of the four components were completed in accordance with the rubric criteria and turned in. A third component was turned in but not complete.
Proficient

At least three of the four components were completed in accordance with the rubric criteria and turned in. A fourth component was turned in but not complete.
Mastery

All four components were completed in accordance with the rubric criteria and turned in.



Keywords:
  • Trigonometry, Right Triangles

Subjects:


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