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Building on their work with the Pythagorean Theorem in 8th grade to find distances, students use a Cartesian coordinate system to verify geometric relationships, including properties of special triangles and quadrilaterals and slopes of parallel and perpendicular lines, which relates back to work done in Algebra 1.
A question is essential when it stimulates multi-layered inquiry,
provokes deep thought and lively discussion,
requires students to consider alternatives and justify their reasoning,
encourges re-thinking of big ideas, makes meaningful
connections with prior learning,
and provides students with opportunities to apply problem-solving skills to authentic situations.
Connecting Algebra and Geometry through Coordinates
Additional information such as Teachers Notes, Enduring Understandings,Content Emphasis by Cluster, Focus Standards, Possible Student Outcomes, Essential Skills and Knowledge Statements and Clarifications, and Interdisciplinary Connections can be found in this Lesson Unit.