These notes will be updated as we go along.
Wed, Jan 5
- recall reading String, Straight-edge & Shadow: The Story of Geometry by Julia Diggins last year
Montessori material: 12 Identical Blue Triangles and Activity Set
Montessori material: Geometric Cabinet Control Chart
Thu, Jan 6
- Montessori material: review nomenclature with Geometric Cabinet Nomenclature Three Part Cards
Montessori material: Detective Adjective Exericse and Command Cards
Mon, Jan 10
- Quadrilateral Family Tree Cut and Paste Activity
FREE on TpT
determine the purpose of hash marks (to show equal lengths) and arrows (to show parallel lines)
Tue, Jan 11
- explore how to draw perfect circles in the dirt (two sticks, string)
introduce compass
practice making circles
make figures 2 and 3 from Waldorf Geometry for Homeschoolers: Grade 6 by Barbara Dewey
Wed, Jan 12
- begin Geometric Drawing MLB with quote from Plato
add figures 2 and 3 along with an explanation of how to make them
practice figure 4 from Dewey
Thu, Jan 13
- add figure 4 along with an explanation of how to make it
practice figures 5 and 6 from Dewey
Tue, Jan 18
- add figure 5 along with an explanation of how to make it
practice figures 6, 7, 8, 9, and 12 from Dewey
Wed, Jan 19
- continue to practice figures 7, 8, and 9
rough draft explanation of how to make figure 6
Thu, Jan 20
- add figures 6, 7, 8, and 9 along with an explanation of how to make them
practice figure 10 from Dewey
learn how to bisect an angle, and divide a circle into 12 equal parts using only a compass and straightedge (Geometric Drawing and the Waldorf School Plan by Hermann von Baravalle, pp.14-15)
explore the 24-division of a circle
Tue, Jan 25
- rough draft an explanation of how to bisect an angle using a compass and a straightedge
Wed, Jan 26
- add how to bisect an angle to MLB
learn how to draw a perpendicular bisector to a given line AB (Geometry Lessons in the Waldorf School vol.2 by Ernst Schuberth, pp.64-65)
learn how to trisect an angle using a compass, a straightedge, and a strip of paper (von Baravelle, p.22)
Tue, Feb 1
- add how to draw a perpendicular bisector to MLB
review area of square/rectangle, triangle, rhombus/parallelogram, and trapezoid
Finding the Area of Trapezoids Task Cards
Wed, Feb 2
- add how to trisect an angle to MLB
NOTE: Ernst Schuberth's Geometry Lessons in the Waldorf School eBook (grades 4 & 5) and First Steps in Proven Geometry for the Upper Elementary Grades eBook (grade 6) are both available online for free as PDFs from the Online Waldorf Library. Also available for free is A. Renwick Sheen's excellent Geometry and the Imagination: The Imaginative Treatment of Geometry in Waldorf Education.
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