Combining Like Terms Part I
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Lesson Summary:
This lesson focuses on combining like terms to simplify expressions. The instructor introduces the concept of adding negative numbers to change all subtractions to additions, allowing for the commutative property to be used. The lesson also covers the importance of identifying and grouping like terms and applying the distributive property. Students are encouraged to practice these skills to apply them to more complex problems in the future.
Lesson Description:
Learn what it means for an expression to have like terms and how to combine like terms to simplify.
Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.
Questions answered by this video:
- What are like terms?
- What does it mean to combine like terms?
- What does 3 - 6 + 7 - 4 equal?
- How can you use order of operations to simplify expressions?
- What does x + x + x equal?
- What is 3x + 2x?
- What is 3ab - 2ab?
- How do you combine like terms and simplify -2x - 6 - 7x + 9?
- How do you use the distributive property, combine like terms, and simplify -2(x + 4) - 3x + 5?
- How do you use the distributive property, combine like terms, and simplify -3ab - a(6b - 2) - 3ab + 5a?
- How do you use the distributive property, combine like terms, and simplify 2x(-6 + 5x) - 3x(2x - 3)?
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Staff Review
This lesson shows several example problems showing combining like terms and using properties of real numbers to simplify expressions. All steps are explained in this great early Algebra lesson. -
