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Heidi's developing number sense and relational thinking (2011)
Journal Article
Murray, M. (2011). Heidi's developing number sense and relational thinking. Teaching Children Mathematics, 17(6), 384

According to recent state standardized test reports, Heidi is an average to slightly-above-average fifth-grade math student. She works hard to complete her assignments and follow directions, and this year she had all A's in her grade-level mathematic... Read More about Heidi's developing number sense and relational thinking.


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