Day 9 of 30
The distributive property
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Learning Objective
Students will explore the distributive property through guided practice and application.
In this lesson, we'll explore the distributive property. Mathematical thinking develops logical reasoning and problem-solving abilities.
The distributive property says a(b + c) = ab + ac. You multiply the outside term by each inside term. For example, 3(x + 4) = 3x + 12. The property "distributes" multiplication over addition or subtraction. It works because of how multiplication and addition relate. Distributing helps expand expressions (3(x + 4) → 3x + 12) and factoring reverses it (3x + 12 → 3(x + 4)). The distributive property is essential for simplifying expressions and solving equations!
As you work through today's material, pay attention to the examples and try to identify the patterns or strategies being used. This will help you apply these concepts to new problems.
Take notes on key points and make connections to what you've already learned in previous lessons.
A mathematical question requiring analysis and solution
The result obtained by solving a problem
Instructions
Materials Needed
- Notebook
- Calculator (if needed)
- Graph paper
Distribute: 3(x + 4)
Distribute: -2(3x - 5)
Factor: 6x + 9
Teaching Tip
For advanced learners: Encourage deeper analysis and real-world connections. Consider extension activities that allow students to apply the distributive property to novel situations.