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Math Assessment Activity: Sewer Lid Safety

Math Assessment Activity: Sewer Lid Safety preview
Math Assessment Activity: Sewer Lid Safety preview
Math Assessment Activity: Sewer Lid Safety preview 2
Math Assessment Activity: Sewer Lid Safety preview 3
Math Assessment Activity: Sewer Lid Safety preview 4

Look Inside · 4 pages

Sewer lid safety investigation, 40 minutes, 35 marks: Task 1 has partners discuss lid photos and write a conjecture
Opening page: setup, equipment list and paired discussion
Square lid photos and safety ratings: students revise their conjecture, then rate polygon lids as percentages
Independent work modelling lid safety with a width-to-diagonal ratio
Polygons tending to a circle: students conjecture a pattern, then size corner plates for 80% and 100% lid safety
Pattern-finding and a STEM engineering design problem
Reuleaux triangle shown in GeoGebra as a curve of constant width; Task 6 asks how to make a pentagon lid 100% safe
Technology extension with an optional Python postscript challenge
Attributes
Subject
Grades

Grade 8, 9, 10, 11, 12

File

PDF

Editable
No
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About This Product

This is a math assessment activity titled Modelling for Sewer Lid (Cover) Safety. It is a timed 40-minute assessment with 6 different detailed tasks for students to complete.

What's Included

1 PDF with 4 ready to print pages

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