Modeling Algebraic Expressions
Presentation
•
Mathematics
•
7th Grade
•
Hard
Joseph Anderson
FREE Resource
5 Slides • 10 Questions
1
7th grade review
2
numbers
variables
at least one operation
3
Poll
Which of the following is an example of an algebraic expression?
3 + 4
-2x - 4
4
Multiple Choice
What is the difference between an expression and an equation?
a variable
an equal sign
5
letters
symbols
represent an unknown amount
6
Open Ended
Give an example of a variable...
7
the numerical factor of a multiplication expression that contains a variable
2x - 2 coefficient, x variable
8
Multiple Choice
What is the coefficient in the expression -3x?
-3
x
9
choose a variable to represent an unknown quantity
10
Multiple Choice
Evaluate the expression for w = 2
2w
4
22
-22
11
Multiple Choice
Evaluate the expression for y = 5
y + (-5)
0
10
-5
12
Multiple Choice
Evaluate the expression for w = 2 and x = -3
x + w
1
-1
5
13
Multiple Choice
Evaluate the expression for w = 2
-w
-2
0
2
14
Multiple Choice
Evaluate the expression for x = -3
-(x) - 3
-6
0
3
15
Poll
Rate yourself on how you feel about evaluating expressions.
HELP ME!
Maybe some more practice.
I'm a genius!
7th grade review
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