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Addition strategies that build on decomposing and composing numbers in flexible ways contribute to students’ overall number sense. In many instances, these adaptive strategies are easier and faster than standard algorithms. Therefore, it is best to have students learn a variety of methods that they can select from as needed. Empirical studies suggest that students often choose efficient strategies provided they know any appropriate strategies for a given problem.

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Evidence-Based Approach in Textbook Revision: Understand Students’ Adaptive Strategy Use in Addition of Two-Digit Numbers

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年

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  • Jing Zhang,
  • Manni Ding,
  • Hong Zhang

摘要

Addition strategies that build on decomposing and composing numbers in flexible ways contribute to students’ overall number sense. In many instances, these adaptive strategies are easier and faster than standard algorithms. Therefore, it is best to have students learn a variety of methods that they can select from as needed. Empirical studies suggest that students often choose efficient strategies provided they know any appropriate strategies for a given problem.