Distributive Property 3
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Lesson Summary:
In this video lesson, the distributive property is used to simplify more complex expressions that involve negative numbers. The lesson includes examples of simplifying expressions with multiple distributive properties and subtracting negative numbers. The instructor emphasizes the importance of paying attention to signs when adding or subtracting positive and negative numbers. By the end of the lesson, students will have a better understanding of how to use the distributive property to simplify more complicated expressions.
Lesson Description:
More involved examples using the distributive property.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- What is the distributive property of multiplication over subtraction?
- What happens if you are distributing a negative sign into parentheses?
- How can you use the distributive property to multiply, expand, and simplify polynomial expressions?
- How can you simplify 5(3x - 8) - 2(x - 4) - (x + 7) using the distributive property?
- How can you simplify 2(3x - 8) - 4(4x - 9) - 3(2x + 6) - 5x using the distributive property?
- How can you simplify 1/2(7x - 9) - 5/2(x - 3) - 6 using the distributive property?
- How do you combine like terms to simplify a polynomial?
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Staff Review
This lesson shows 3 different polynomial expressions that are simplified using the distributive property. The problems feature subtraction, negative numbers being distributed through parentheses, a negative sign being distributed through parentheses, fractions, and combining like terms. This is a high quality polynomial expression tutorial.
