

Modeling Expressions
Presentation
•
Mathematics
•
8th Grade
•
Medium
Standards-aligned
Kelly Short
Used 28+ times
FREE Resource
5 Slides • 5 Questions
1
Modeling Expressions
Real world problems

2
REVIEW
3
EXAMPLE 1
Layla earns $400 per week plus $15 per customer she signs up. Let "C" represent the number of customers. Write an expression to show how much she earns in a week.
Layla automatically earns $400 that week (this is her constant)
She earns $15 per customer (15 times the number of customers)
Expression: 15c + 400
Therefore is she signs 3 customers, we can easily plug that in for the value of c.
4
Example 2
Jessica babysits for $10 per hour
Jessica's rate can be described as 10h
5
Example
Jordan has 3 fewer UK tshirts than Ted
Jordan's amount of tshirts can be described as
t - 3 with t standing for the amount that Ted has.
6
Multiple Choice
A Great Dane is 40 times the size of a mini poodle. Write an expression to describe this
p + 40
40p
40/p
d - 40
7
Multiple Choice
Your age 12 years from now.
12y
y + 12
y - 12
y/12
8
Multiple Choice
TJ has 6 more than triple the amount of cupcakes that Carter has.
c + 6
3c + 6
18c
3c - 6
9
Multiple Choice
Mason has 2 more than 1/2 as many legos as Chase.
c + 2
c + 1/2 + 2
1/2c + 2
1/2c - 2
10
Multiple Choice
Chelsee has 12 less pineapples than Sam.
s - 12
12 - s
s/12
12/s
Modeling Expressions
Real world problems

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