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Davis, Brent – Mathematics Teaching in the Middle School, 2015
For centuries, the basic operations of school mathematics have been identified as addition, subtraction, multiplication, and division. Notably, these operations are "basic," not because they are foundational to mathematics knowledge, but because they were vital to a newly industrialized and market-driven economy several hundred years…
Descriptors: Grade 8, Units of Study, Teaching Methods, Fundamental Concepts