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
| Title | Adding and Subtracting Expressions |
| Description | • 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. |
| Subject | Mathematics |
| Level | Middle School |
| Type | Guided Activity |
| Duration | 60 minutes |
| Answers Included | No |
| Language | English |
| Keywords | adding expressions, equivalent expressions, expressions, like terms, subtracting expressions |
| Simulation(s) | Expression Exchange (HTML5) |
| Author(s) | Amanda McGarry |
| School / Organization | PhET |
| Date submitted | 9/10/18 |
| Date updated | 9/10/18 |