True or False? 1st grade 金星表示遵循 PhET 設計指引,高品質的活動。


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主題 True or False? 1st grade
說明 The purpose of this activity is to support students’ development of algebraic thinking by focusing on students’ conceptualization of the equal sign. Students often have an operational view of the equal sign in which the equal sign indicates the answer to an expression. In this activity students are presented with equations in which the sum or difference appears on the right side of the equation as well as the left side. Additionally, the equal sign is used to falsely relate two quantities without an operation. Some students may state that the equal sign cannot appear on the left side of an equation or that an operational sign (addition or subtraction) is needed. These less common equation structures are intended to elicit student thinking and support students’ development of a relational view of the equal sign: viewing the equal sign as indicating equal relationships regardless of position or presence of an operational symbol.
科目 數學
程度 K-5
類型 指引活動
時間 30 分鐘
解答
語言 英語
關鍵字 bar graph, cardinality, compare, equals sign, grouping
模擬教學 Number Compare_比較數字 (HTML5)


作者 Dom Carorora, Azar Kamaldar, Ian Whitacre
學校 / 機構 Florida State University
提交日期 2023/9/11
更新日期 2023/10/14