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Wickstrom, Megan H.; Nelson, Julie; Chumbley, Jean – Teaching Children Mathematics, 2015
With the adoption of the Common Core State Standards for Mathematics (CCSSM) (CCSSI 2010), many concepts related to area are covered in third grade: (1) Recognizing area as an attribute of a plane figure; (2) Understanding that a square with a side length of one is a unit square; (3) Measuring area by tiling figures and counting the squares it…
Descriptors: State Standards, Mathematics Instruction, Grade 3, Elementary School Mathematics