

7.EE.1 Simplifying Expressions
Presentation
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Medium
Standards-aligned
Ms. Stancil
Used 48+ times
FREE Resource
14 Slides • 26 Questions
1
7.EE.1 Simplifying Expressions

2
What is an expression?
A mathematical phrase that can contain variables, constants, coefficients, and operations.
An expression has terms that are separated by operations.
3
Variable
a letter used to represent any unknown number
Examples: t, x, n, y , v, p, c, s, etc.
4
Fill in the Blanks
Type answer...
5
Constant
any number by itself
Example: 2 in the expression 4x + 2
6
Fill in the Blanks
Type answer...
7
Coefficient
a number in front of a variable
represents multiplication
Example: -2x which means -2 mulitplied by x
-2 is the coefficient
8
Fill in the Blanks
Type answer...
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10
All expressions have terms.
REMEMBER: terms are separated by an operation such as + or -
11
Fill in the Blanks
Type answer...
12
Simplifying Expressions
Terms can be classified as like or unlike and expressions can be simplified by combining like terms.
Like terms must have the same variable and base
Examples:
7x, x, -5x, and 9x are like terms
4g and 6d are NOT like terms
13
Multiple Choice
Determine if the following are like or unlike terms.
b and 3b
like
unlike
14
Open Ended
List three terms that are like the given terms below.
3b and b
15
Multiple Choice
Determine if the following are like or unlike terms.
-6r and -6p
like
unlike
16
Multiple Choice
Determine if the following are like or unlike terms.
16 and -9
like
unlike
17
Multiple Choice
Determine if the following are like or unlike terms.
c and c4
like
unlike
18
Multiple Choice
Determine if the following are like or unlike terms.
c, 4c , 8c
like
unlike
19
Simplifying Expressions
Terms can be classified as like or unlike and expressions can be simplified by combining like terms.
Like terms must have the same variable and base
Examples:
7x, x, -5x, and 9x are like terms
4g and 6d are NOT like terms
20
Multiple Select
Select all like terms:
7a – 6 + 8a
7a
6
8a
21
Multiple Select
In the list of terms, determine which of the terms are like terms.
8c, 16, -8c, -16b
8c
16
-8c
-16b
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Multiple Select
In the list of terms, determine which of the terms are like terms.
1m, n, m, 1
1m
n
m
1
23
Multiple Select
In the list of terms, determine which of the terms are like terms.
0, -8, 14r
0
-8
13r
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Multiple Select
Select all like terms with the same base r:
-26r + 7r + 12p – 7p
-26r
7r
12p
7p
25
Multiple Select
Select all like terms with the same base p:
-26r + 7r + 12p – 7p
-26r
7r
12p
7p
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Poll
Rate your level of understanding on identifying like terms on a scale of 1-3.
1. I'm lost and confused.
2. I kinda get it but I need more guided practice.
3. I understand and could probably explain to someone else.
27
go to canvas
complete 3/18 homework
28
We can simplify expressions by combining terms with the same variable.
We can combine all the pizza (p), all the soda (s), and the total of cones (c).
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Simplifying Expressions
Only like terms can be COMBINED.
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Open Ended
Simplify the expression by combining like terms.
7a – 6 + 8a
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Multiple Choice
Combine all terms with variable r:
-26r + 7r + 12p – 7p
19r
-33r
-19r
33r
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Multiple Choice
Simplify the expression:
7g + 5 + 6g - 3
13g - 3
12g + 5
13g + 2
13g - 2
34
Multiple Choice
Combine all terms with variable p:
-26r + 7r + 12p – 7p
5p
-19p
-5p
19p
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Poll
-26r + 7r + 12p – 7p
When simplifying this expression and combining like terms, you should get this answer: -19r + 5p
I also got this as my answer.
I'm confused on how you got this answer.
36
Multiple Choice
Simplify the expression:
7g + 5 + 6g - 3
13g - 3
12g + 5
13g + 2
13g - 2
37
Multiple Choice
Simplify the expression:
10x + 7 - 2x - 2
-12x - 9
-8x - 5
-8x + 5
8x + 5
38
Multiple Choice
Simplify the Expression:
3m - 15 + 2m - 4
5m - 19
m + 19
5m - 15
24m
39
Poll
Rate your level of understanding on combining like terms on a scale of 1-3.
1. I'm lost and confused.
2. I kinda get it but I need more guided practice.
3. I understand and could probably explain to someone else.
40
go to canvas
complete 3/19 homework
7.EE.1 Simplifying Expressions

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