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Rathouz, Margaret – For the Learning of Mathematics, 2010
I explore the impact of ambiguous referral to the unit on understanding of decimal and fraction operations during episodes in two different mathematics courses for pre-service teachers (PSTs). In one classroom, the instructor introduces a rectangular area diagram to help the PSTs visualize decimal multiplication. A transcript from this classroom…
Descriptors: Figurative Language, Numbers, Mathematics Instruction, Preservice Teachers