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Measuring the Immeasurable 
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Using a home-made device to find the heights of immeasurable objects through the use of trigonometry
Rubric Code: Q4X4BB
By kemblem
Ready to use
Public Rubric
Subject: Math  
Type: Project  
Grade Levels: 9-12

Powered by iRubric Measuring the immeasurable
Enter rubric description
  Excellent

5 pts

Good

4 pts

Fair

3 pts

Poor

1 pts

Measuring device

Measuring device assembled by due date
Excellent

*measuring device accurately assembled and ready for use (day 1)

*measuring device performs intended action
Good

*Measuring device assembled with minor flaws and ready for use (day 1)

*measuring device adequately performs intended action
Fair

*Measuring device assembled but incorrectly (day 1)
- or -

*measuring device is not ready to use by due date
Poor

*Measuring device assembled but incorrectly (day 1)
- and -

*measuring device is not ready to use by due date
Chart completed

Chart accurately completed by due date
Excellent

*chart accurately completed with angle measurements, ground measurements, and calculations recorded for 5 objects<BR>
(day 1/2)
Good

*chart completed with angle measurements, ground measurements, and calculations recorded<BR>
(day 1/2) for 4 objects
Fair

*chart completed with angle measurements, ground measurements, and calculations recorded<BR>
(day 1/2) for 3 objects
Poor

*chart incomplete

*chart incorrect

*chart has 2 or fewer objects measured
Calculations

pictures with labeling
Excellent

*Picture of the triangular relationship is drawn with labeling for each object whose height is being found
Good

*Picture of the triangular relationship is drawn with labeling for all but one object whose height is being found
Fair

*Picture of the triangular relationship is drawn without labeling for each object whose height is being found
Poor

*Only half of the pictures are drawn
calculations

correct trigonometric function chosen and correct calculations are shown
Excellent

*Correct trigonometric function is chosen to calculate the height for each object/picture drawn

* Correct calculations are shown for all objects
Good

*Correct trigonometric function is chosen to calculate the height for each object/picture drawn but is used for wrong angle

* Correct calculations are shown for at least 70% of objects
Fair

*Incorrect trigonometric function is chosen to calculate the height for each object

* Correct calculations are shown for at least 50% of objects
Poor

* trigonometric function is chosen

but

* calculations not shown
Written description of processes

Written description of procedure to create measuring device and written description of process for finding the heights of the objects
Excellent

*written description of procedure for creating measuring device is easy to understand ( not plagiarized off a website) and complete (if I follow your directions, my device should function properly)<BR>
*written description for finding the "immeasurable heights" should include correct trigonometric terminology and should lead the person following the instructions to a correct answer/result<BR>
* descriptions are typed/double-spaced in an easy to read font
Good

*written description of procedure for creating measuring device is easy to understand (not plagiarized off a website) and complete (if I follow your directions, my device should function properly)<BR>
*written description for finding the "immeasurable heights" should include correct trigonometric terminology and should lead the person following the instructions to a correct answer/result<BR>
* descriptions are not typed, but are written neatly with no mistakes
Fair

*see excellent<BR>
*written descriptions are not typed, with mark-outs and 1 part of explanation is incorrect and would lead to an incorrect conclusion/answer
Poor

*written description is plagiarized
Teamwork

work together to complete each task; jobs assigned
Excellent

* Team members work together to complete each task<BR>
* Team members assign "jobs" to each member such as: supply gatherer, recorder, measurer, etc.
Good

* Team members work together to complete each task
Fair

* 1 team member works to complete each task / 1 does not
Poor

* some tasks are not completed
Teamwork

not sleeping, texting, or disturbing other group
Excellent

* No team member is off-task (sleeping, texting, disturbing other groups)
Good

* 1 team member is occasionally off-task (sleeping, texting, disturbing other groups)
Fair

*1 team member is consistently off-task (sleeping, texting, disturbing other groups)
Poor

* More than one team member is consistently off-task (sleeping, texting, disturbing other groups)




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