5 pages, aligned with common core standards. This student-guided lesson/activity demonstrates how to use the lowest common denominator of a set of fractions (or decimals) to solve algebraic equations that may seem daunting because they are riddled with fractions or decimals. Underlying the content is a theme of thinking and reasoning about what makes one solution more elegant than another.
The lesson includes guided questions, instruction, and practice, as well as a worked out teacher's answer guide. I also include a cover page with rationale, essential questions, objectives, standards alignment, and teacher notes.
This is NOT an introduction to lowest common denominators and assumes a basic understanding of LCD and how to find them.
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