Name:_____________________________________________________
Hour:_______________
Geometry Construction Portfolio
For this project, you will explore the use of a compass and straightedge to create accurate designs. Please follow
the directions below in creating your portfolio.
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Your project should be completed on paper given to you in class, one construction per page, and bound.
o Do not erase construction markings.
o Constructions should be accurate.
Part I: Page 1. The rubric.
Part II: Page 2-12. Use a pencil, compass, and a straightedge to create each of the 11 given
constructions. One copy will be provided to you in class. If you need additional copies, they will be
posted on the teacher website for you to print for yourself.
Part III: Page 13. Create your own drawing (image, character, picture, or abstract) using only a pencil,
compass, and straightedge.
Part IV: Page 14-20. Attach your completed worksheets that we have done in class. (7 total).
Optional Bonus: Page 21. Inscribe a circle in a triangle.
Assessment of the portfolio: The portfolio will count as 100 points.
Your completed project will be evaluated on the following criteria:
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Accuracy—All lines must be carefully drawn with a pencil using only a compass and a straightedge.
There should be no freehand drawing.
Neatness—Attend to the look and neatness of the designs is important.
Effort—The more detailed, planned, the better!
Meeting Deadlines/Following Directions—The project must satisfy the above expectations and be
completed on time.
Presentation—The 11 constructions should be on separate pages and bound. The class worksheets
should be neatly attached.
Due Date: Thursday, March 2 at the beginning of class
Name:_____________________________________________________
Hour:______________
Geometry Construction Portfolio Rubric
For each construction, you will earn 6 points, 4 points, 2 points, or 0 points for each based on the rubric below:
6 points per page
All lines are carefully
drawn with a pencil
using only a compass
and a straightedge.
There is no freehand
drawing. The
construction is neat
and detailed.
4 points per page
Most lines are carefully
drawn with a pencil
using only a compass
and a straightedge.
There is some freehand
drawing. The
construction could be
neater and more
detailed.
Rubric: (4 points)
Construction 1:
Copy a segment
Construction 2:
Copy an angle
Construction 3:
Perpendicular Bisector
Construction 4:
Bisect an angle
Construction 5:
Perpendicular Line
Construction 6:
Parallel Line
Construction 7:
Equilateral Triangle Inscribed in a Circle
Construction 8:
Regular Hexagon Inscribed in a Circle
Construction 9:
Square Inscribed in a Circle
Construction 10:
Circumscribed Triangle
Construction 11:
Your creation
Completed Class Worksheets (20 points)
Organization (10 points)
All pages in order.
Bound together
Optional Bonus:
Circle Inscribed in a Triangle
Total (100 points)
2 points per page
Some lines are drawn
with a pencil using a
compass and a
straightedge. There is
some freehand
drawing. The
construction could be
neater and more
detailed.
0 points
All lines created
freehand or
incomplete.
Copy the segment
Copy the Angle
Perpendicular Bisector
Bisect the angle
Perpendicular Line to a Given Point
Parallel Line
Circumscribed Triangle
Your Creation
Bonus: Circle Inscribed in a triangle