module 7.3 lessons 7 8
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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
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MoMath ClubRoom 166Afterschool Today
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Equation:
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Equation:
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Discussion Question: How did the change in dimensions on the second problem change how you approached the problem?
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What are consecutive integers?
Consecutive integers are integers that follow each other in order.
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the integers.
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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
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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.
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50Problem Set
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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.
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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.
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