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Module 7.3 Lessons 78.notebook
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November 10, 2015
Module 7.3 Lessons 7-8 11/10/15AIM: Solving Equations
Homework1.) Lesson 7 #32.) Lesson 8 #1, 2, 7
Do NowExit Ticket from Lesson 6
Module 7.3 Lessons 78.notebook
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Discussion Question: How did the change in dimensions on the second problem change how you approached the problem?
Module 7.3 Lessons 78.notebook
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What are consecutive integers?
Consecutive integers are integers that follow each other in order.
Module 7.3 Lessons 78.notebook
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Julia, Keller and Israel are volunteer firefighters. On Saturday the volunteer fire department held its annual coin drop fundraiser at a streetlight. After one hour, Keller had collected $42.50 more than Julia, and Israel had collected $15 less than Keller. Altogether, the three firefighters collected $125.95. How much did each person collect?
Find the solution using a tape diagram.
Julia
Keller
Israel
S.47
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Example 2You are designing a rectangular pet pen for you new baby puppy. You have 30 feet of fence barrier. On a whim, you decide that you would like the length to be feet longer than the width.
Draw and label a diagram to represent the pet pen. Write an expression to represent the width and length of the pet pen.
Find the dimensions of the pet pen.
S.48
Module 7.3 Lessons 78.notebook
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Additional Example:
1.) Find two consecutive even integers that have a sum of 74.
a.) Create a tape diagram to model the situation.
b.) Wrtie and solve an equation.
Module 7.3 Lessons 78.notebook
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Closing:
1.) Describe the process you used today to create an equation; What did you build first? What did you set it equal to?
2.) Describe how to determine if a number is a solution to an equation.