Gauss's first significant discovery, in 1792, was that a regular polygon of 17 sides can be constructed by ruler and compass alone.
CONSTRUCTIONS
Key questions
Can we use a protractor, ruler and compass?
How do we construct a perpendicular bisector?
How do we construct an angle bisector?
What other compass constructions do we need?
What are loci?
5 lessons
Literacy
stories that set a frame or background
stories that accompany or intertwine
stories that introduce
stories that explain
stories that ask a question
stories that entertain
Introduce...
angle bisector - 3, 5
construction textbook - 1, 2, 3, 4
construction and loci workbook - 1, 2, 3, 4, 5
where should I stand - 2, 3, 5
crop circles - 1
curve stitching - 1
lighthouses - 1
loci and construction ideas - 1, 2, 3, 4, 5
loci dr frost - 1, 2, 3, 4, 5
mep constructions and loci - 2, 3, 4, 5
loci easy - 5
smile drawing pack - 1, 2, 3, 4
Develop...
construction math circles - 2, 3, 4
constructions defence - 2, 3, 4, 5
inscribed shapes - 1
find the hidden treasure - 2, 3
grid loci - 2, 3, 5
hands on geometry book - 1, 2, 3, 4
islamic geometry - 1, 2, 3
islamic patterns book - 1, 2, 3
loci and regions - 2, 3, 5
loci and regions match up - 2, 3, 5
loci and rectangles - 2, 3, 5
loci harder - 5
the rhombus - 1
triangle geometry - 1, 2, 3, 4
loci ocr - 2, 3, 4, 5
Extend...
constructing means - 4, 5
constructing pentagons - 2, 3, 4
constructions compass alone - 2, 3, 4, 5
cycloid notes - 5
incircle and circumcircle - 2, 3, 4
loci investigations - 5
lociville - 5
more exam questions - 2, 3, 4, 5
ncetm constructions - 2, 3, 4
nine point circle - 2, 3, 4
pappus chain - 2, 3, 4
ruler and compass book - 2, 3, 4
sacred geometry book - 2, 3, 4
sacred geometry guide - 2, 3, 4