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
| 主題 | Adding and Subtracting Expressions |
| 說明 | • 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 | 數學 |
| 程度 | 中學 |
| 類型 | 指引活動 |
| 時間 | 60 分鐘 |
| 解答 | 否 |
| 語言 | 英語 |
| 關鍵字 | adding expressions, equivalent expressions, expressions, like terms, subtracting expressions |
| 模擬教學 | Expression Exchange_代數的表示法 (HTML5) |
| 作者 | Amanda McGarry |
| 學校 / 機構 | PhET |
| 提交日期 | 2018/9/10 |
| 更新日期 | 2018/9/10 |