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Dacey, Linda; Collins, Anne – Stenhouse Publishers, 2010
"The Zeroing in on Number and Operations" series, which aligns with the Common Core State Standards and the NCTM Standards and Focal Points, features easy-to-use tools for teaching key concepts in number and operations and for addressing common misconceptions. Sharing the insights they've gained in decades of mathematics teaching and research,…
Descriptors: Grade 3, Grade 4, Misconceptions, Academic Standards