Review on Combining Like Terms for OCS Intro Math

1. Unit 5 ~ Lesson 1:
Combining Like Terms
CYK Review

2. Questions #1—2
What are like terms?
Expressions with the same variable and exponent parts.
Example 1: Determine if these are "Like" or "Unlike" terms.
LIKE UNLIKE LIKE UNLIKE

3. Question #3
Remember!
Coefficient: In a term, it’s the number in front of the variable.
*If there is no number in front of the variable, the numerical
coefficient is understood to be 1
Examples
4a -15x 9y

4. Question #4
How do we combine like terms?...
Step 1: Identify numbers with the same variable and exponent.
Step 2: Group the like terms
Step 3: Combine like terms by adding or subtracting the coefficients.

5. Question #5: Simplify
9a2 - 6a - 11a2 + 10a
9a2 - 11a2 -6a + 10a
-2a2 + 4a
Step 1: Identify terms with matching variables and exponents.
Step 2: Group the like terms
Step 3: Combine like terms by adding coefficients.

6. Have a marvelous day, Mathletes!
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