Adding and Subtracting Expressions
- Gr7-Digits-UnitC-7.3&7.4-ExEx-lesson.pdf - 453 kB
- Gr7-Digits-UnitC-7.3&7.4-ExEx-lesson-editable.docx - 457 kB
- Gr7-Digits-UnitC-7.3&7.4-ExEx-activity-sheets.pdf - 209 kB
| 标题 | Adding and Subtracting Expressions |
| 描述 | • 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. |
| 科目 | 数学 |
| 等级 | 初中 |
| 类型 | 指导活动 |
| 持续时间 | 60 分钟 |
| 是否包含答案 | 否 |
| 语言 | 英语 |
| 关键词 | adding expressions, equivalent expressions, expressions, like terms, subtracting expressions |
| 仿真程序 | 表达式变换 (HTML5) |
| 作者 | Amanda McGarry |
| 联系邮件 | amanda.mcgarry@colorado.edu |
| 学校/组织 | PhET |
| 提交日期 | 18-9-10 |
| 更新日期 | 18-9-10 |