
Pre-Algebra 2.2: Combining Like Terms
Presentation
•
Mathematics
•
6th - 8th Grade
•
Medium
Madison Albring
Used 1+ times
FREE Resource
9 Slides • 23 Questions
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Combining Like Terms
Pre-Algebra 2.2
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Parts of an Expression
Consider this algebraic expression: 14x + 9 - 2x + 8 - 5x + 1
What are the Variable Terms?
14x, -2x, -5x
What are the Coefficients?
14, -2, -5
What are the Constant Terms?
9, 8, 1
3
Examples
Let's do a few together, then you can try!
(Variable Terms, Constants, Coefficients)
#1) 11a, 4a | none | 11, 4
#2) 3x, 7x | 6, -4 | 3, 7
#3) -12m, 4m | -3, 16 | -12, 4
#4) 6k, k | -4, -2 | 6, 1
#5) -5p, -2p | 3, 13 | -5, -2
(make sure you're writing this all down in your notes packet!)
4
Now you try!
Don't stress if you get these wrong, or if you think you go it right but it marked you wrong. Just make sure you are following along in your notes & copying down the correct answer once it's revealed.
5
Fill in the Blanks
For Example #6 in your notes, type any/all of the VARIABLE TERMS. (Type your answers in order and separate them with commas)
Type answer...
6
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For Example #6 in your notes, type any/all of the CONSTANTS. (Type your answers in order and separate them with commas)
Type answer...
7
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For Example #6 in your notes, type any/all of the COEFFICIENTS. (Type your answers in order and separate them with commas)
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8
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For Example #7 in your notes, type any/all of the VIARABLE TERMS. (Type your answers in order and separate them with commas)
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9
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For Example #7 in your notes, type any/all of the CONSTANTS. (Type your answers in order and separate them with commas)
Type answer...
10
Fill in the Blanks
For Example #7 in your notes, type any/all of the COEFFICIENTS. (Type your answers in order and separate them with commas)
Type answer...
11
Fill in the Blanks
For Example #8 in your notes, type any/all of the VARIABLE TERMS. (Type your answers in order and separate them with commas)
Type answer...
12
Fill in the Blanks
For Example #8 in your notes, type any/all of the CONSTANTS. (Type your answers in order and separate them with commas)
Type answer...
13
Fill in the Blanks
For Example #8 in your notes, type any/all of the COEFFICIENTS. (Type your answers in order and separate them with commas)
Type answer...
14
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For Example #9 in your notes, type any/all of the VARIABLE TERMS. (Type your answers in order and separate them with commas)
Type answer...
15
Fill in the Blanks
For Example #9 in your notes, type any/all of the CONSTANTS. (Type your answers in order and separate them with commas)
Type answer...
16
Fill in the Blanks
For Example #9 in your notes, type any/all of the COEFFICENTS. (Type your answers in order and separate them with commas)
Type answer...
17
Fill in the Blanks
For Example #10 in your notes, type any/all of the VARIABLE TERMS. (Type your answers in order and separate them with commas)
Type answer...
18
Fill in the Blanks
For Example #10 in your notes, type any/all of the CONSTANTS. (Type your answers in order and separate them with commas)
Type answer...
19
Fill in the Blanks
For Example #10 in your notes, type any/all of the COEFFICIENT. (Type your answers in order and separate them with commas)
Type answer...
20
Combining Like Terms
First, combine terms with the same variable (in this case, x) by adding and/or subtracting the coefficients:
14x -2x -5x = ?
7x
Then, combine the constants:
9 +8 +1 = ?
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14x + 9 - 2x + 8 - 5x + 1 --> 7x + 18
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Examples
#11) 11x
#12) -5k
#13) 17c + 1
#14) -2y + 19
#15) 6m - 13
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Examples (cont.)
#16) 8a -22
#17) 5v + 7
#18) -5n - 15
#19) -2w - 11
#20) 8r - 7
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Now you try!
Don't stress if you get these wrong, or if you think you go it right but it marked you wrong. Just make sure you are following along in your notes & copying down the correct answer once it's revealed. (To increase your chances of it being marked correctly, always write the variable term first.)
24
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Example #21
Type answer...
25
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Example #22
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Example #23
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Example #24
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Example #25
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Example #26
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Fill in the Blanks
Example #27
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Fill in the Blanks
Example #28
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You did it!
You finished the notes, awesome! Now you can start your homework on ALEKS.
Combining Like Terms
Pre-Algebra 2.2
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