Unit: Similarity and Congruence through Modeling, Exploration and Reasoning

Topic(s): ,
Mathematical Practice(s): , , , , , , ,
Grade(s): 9th 10th

Unit: Similarity and Congruence through Modeling, Exploration and Reasoning

This unit was created by 3 of Professor Jo Boaler's graduate students, Dan Meyer, Sarah Kate Selling and Kathy Sun,  for a local school.  We thank IMP and Mark Driscoll for allowing us to use problems from their books.  Modifications and updates were provided by Youcubed.   The unit contains 19 lessons and two formal assessments.   Geogebra is used in this unit.  Go to http://www.geogebra.org for a free download

Task Instruction

This unit addresses two essential questions:
  1. How do we use mathematics to find the height of things that are difficult to measure?
  2. How do we make a convincing argument?

Reference

Licensed under Creative Commons Attribution 3.0 by Dan Meyer, Sarah Kate Selling, Kathy Sun & Jo Boaler
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