叛乱分子 发表于 2025-3-21 16:22:51

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THE 发表于 2025-3-21 22:54:37

Quantitative Analyses of Data,shops and the modeling workshops) were large. The chapter concludes by introducing two questions. First, although the performance gains were highly . significant, and the effect sizes large, were they . significant? And, second, “What was there about the interventions which generated such apparently impressive results?”

Femine 发表于 2025-3-22 02:37:07

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激怒某人 发表于 2025-3-22 05:54:23

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有发明天才 发表于 2025-3-22 09:05:37

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不能根除 发表于 2025-3-22 16:58:23

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EVICT 发表于 2025-3-22 20:12:39

Historical Reflections on How Algebra Became a Vital Component of Middle- and Secondary-School Currbra. The following six purposes for school algebra, recognized by various writers over the past three centuries, are then identified: (a) algebra as a body of knowledge essential to higher mathematical and scientific studies, (b) algebra as generalized arithmetic, (c) algebra as a prerequisite for e

诱拐 发表于 2025-3-22 21:16:38

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Hallowed 发表于 2025-3-23 01:25:39

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bleach 发表于 2025-3-23 05:31:25

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查看完整版本: Titlebook: Using Design Research and History to Tackle a Fundamental Problem with School Algebra; Sinan Kanbir,M. A. (Ken) Clements,Nerida F. Ellert