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Bush, Sarah B.; Karp, Karen S.; Dougherty, Barbara J. – National Council of Teachers of Mathematics, 2020
Do you sometimes start to teach a mathematics concept and feel like you are staring at a sea of bewildered faces? What happens when you discover that students previously learned a calculation trick or a mnemonic that has muddied their long-term understanding? When "rules" seem to change from year to year, teacher to teacher, or school to…
Descriptors: Middle School Mathematics, Mathematics Instruction, Alignment (Education), Teaching Methods