True or False? 1st grade A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.

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Tựa đề True or False? 1st grade
Mô tả 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.
Chủ đề Toán
Cấp độ K-5
Loại Guided Activity
Thời gian 30 phút
Bao gồm câu trả lời No
Ngôn ngữ Anh
Từ khoá bar graph, cardinality, compare, equals sign, grouping
Mô phỏng So sánh số (HTML5)

Tác giả Dom Carorora, Azar Kamaldar, Ian Whitacre
Trường / Tổ chức Florida State University
Ngày đăng ký 11/09/2023
Ngày cập nhật 14/10/2023