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Wheel of Theodorus 
Introducing students to the Pythagorus Theorum presents a natural context for investigating what irrational numbers are and how they differ from rational numbers. This artistic project allows students to visualize, discuss and create a product that displays rational and irrational numbers.
Rubric Code: S4B828
Ready to use
Public Rubric
Subject: Math  
Type: Project  
Grade Levels: (none)

Powered by iRubric Wheel of Theodorus
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  Poor

1 pts

Fair

2 pts

Good

3 pts

Title,date and Name

Include title for your picture, your signature and date

Poor

Title for the picture, name of the student and date are missing.
Fair

Either of these is missing-> Title of the picture, name of the student or Date.
Good

Title for the picture, name of the student and date are clearly written.
Label legs and hypotenuse

Label all triangle legs and hypotenuses with appropriate lengths.

Poor

None of the triangles or hypotenuses are labeled
Fair

Only a few triangles and/or hypotenuses are labeled
Good

Most/All the triangles and hypotenuses are labeled
Color and neatness

Poor

Student has not colored the picture at all.
Fair

Student has colored the picture but is not neat.
Good

Student has colored the picture and is neat.
Calculations

Attach a lined sheet of paper to your ard containing your calculations to find lengths of segments( using the pythagorus theorum) using the first 8 triangles.

Poor

Student has not attached the sheet of calculations.
Fair

Student has attached the sheet of calculations, but only a few calculations are listed.
Good

Student has attached the sheet of calculations showing first 8 triangles ( at least).
Conjoining new and previous triangl

Conjoin each new right triangle with the hypotenuse of the prevoious right triangle.

Poor

New right triangle is not conjoined with the hypotenuse of the previous right triangle.
Fair

New right triangle is conjoined with the hypotenuse of the previous right triangle but either it is not correct or only a few triangles are conjoined.
Good

All new right triangles are conjoined with the hypotenuse of the prevoious right triangle.
Answering Questions at the end

Poor

Student has answered less than 3 questions.
Fair

Student has answered more than 3 questions but not satisfactorily.
Good

Students has satisfactorily answered all the questions.



Keywords:
  • Pythagorus theorum, Rational numbers, irrational numbers, Hypotenuse, square root

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