Algebraic Expressions 一颗金星 象征着 是通过PhET设计指南所设计出来的高质量的探究活动。

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标题 Algebraic Expressions
描述 This activity addresses the following CCSS in a 2-day activity: • CCSS.Math.Content.7.EE.A.1 Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients. • CCSS.Math.Content.7.EE.A.2 Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. It aligns with GoMath Lesson 6.1 for grade 7.
科目 数学
等级 初中
类型 指导活动
持续时间 120 分钟
语言 英语
关键词 adding expressions, distribution, factoring expressions
仿真程序 面积模型代数 (HTML5), 表达式变换 (HTML5)

作者 Amanda McGarry
学校/组织 PhET
提交日期 18-9-7
更新日期 18-9-10