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Miles, Sandra J. – Mathematics Teacher: Learning and Teaching PK-12, 2022
To improve understanding of identities and inverses, and to provide a stronger foundation for future mathematics, Sandra Miles designed a two-part lesson that makes the relationship between identities and inverses explicit. This article illustrates Miles' teaching of the first part of the lesson, focused on addition and subtraction, and then gives…
Descriptors: Science Instruction, Mathematics Instruction, Grade 7, Grade 6