Simplifying Expressions by Combining Like Terms
Presentation
•
Mathematics
•
9th Grade
•
Hard
Joseph Anderson
FREE Resource
5 Slides • 9 Questions
1
Simplifying Expressions with Like Terms
Objective: Simplify algebraic expressions by combining like terms.
2
Like Terms: terms that have the SAME variable(s)
Example: 4x and 17x
Unlike Terms: terms that DO NOT have the same variable(s)
Example: 4x and 17xy
Vocabulary
3
Match
Match the following like terms.
8x
12x2
4x2y
7xy2
9y
-x
6x2
-9x2y
2xy2
-12y
-x
6x2
-9x2y
2xy2
-12y
4
Combine Like Terms: take multiple like terms and make them one
Another word used is SIMPLIFY.
Vocabulary
5
Example 1
Simplify: 4x - 9x + 10x
6
Match
Match the following expressions with their simplified form after you combine like terms.
8x - 9x
-8x + 9x
-8x - 9x
8x - (-9x)
-x
x
-17x
17x
-x
x
-17x
17x
7
Example 2
Simplify: 10 - 4ab + 2 + 8ab
8
Multiple Choice
Rewrite the expression by combining like terms.
8y2 + 7xy – 2y2 - 5xy + 2x
10y2 + 2xy + 2x
6y2 + 2xy + 2x
6y2 + 12xy + 2x
10y2 + 12xy + 2x
9
Math Response
Simplify: 5x + 3x + 4 + 7y
10
Math Response
What number should go in the box to make the statement true?
c + 🔲c = 10c
11
Multiple Select
Choose the expressions that can be simplified.
12x2 - 4x + 1
-4x + 9xy - 10
13x - 9 - x
8y - 2x + 4y - 9x
7y2 - 7xy + 9y
12
Math Response
Rewrite the expression by combining like terms. 3xy + 8x2 + 4y + 2y – 5x2
13
Math Response
What number should go in the box to make the statement true?
70d + 🔲d = 60d
14
Math Response
Simplify: 12y + 9x - 4 - 6x + 4y
Simplifying Expressions with Like Terms
Objective: Simplify algebraic expressions by combining like terms.
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