DraftWritten with AI help from the sources it cites, and not yet read by a human editor.
Depth
At a glance
Curriculum expectations
E1— demonstrate an understanding of the development and use of geometric and measurement relationships, and apply these relationships to solve problems, including problems involving real-life situations
Lessons
- The story of the circle's ratioThe story of approximating the ratio of circumference to diameter in one culture, from al-Khwarizmi's mensuration chapter to al-Kashi's computation, and its link to astronomy.
- Changing dimensions, and the volume of a coneHow changing lengths changes area, and how the volume of a cone or pyramid relates to its base and height, as in al-Khwarizmi's mensuration chapter.
- Units and converting between themConverting the module to the cubit in al-Kashi's calculation of muqarnas surface.
Brief
Strand E of Grade 9 Mathematics: Geometry and Measurement. It has three lessons, on the story of the circle's ratio, on changing dimensions and the volume of a cone, and on units and converting between them. 1
Sources
- Ontario Ministry of Education, The Ontario Curriculum: Mathematics
Cite this page
islam.museum contributors. “Strand E: Geometry and Measurement”. islam.museum, https://islam.museum/en/course/ca-on-g9-mth1w-e/. CC BY-SA 4.0. Last updated 2026-11-12.
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