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04/12/2023 Created by Bitsy Griffin 1
Organized ListsAnd tree diagrams
04/12/2023 Created by Bitsy Griffin 2
Today’s Lesson•Open notebook to new page.•Title it “Organized Lists”•Date: 10/12/09
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Triangle Review•# of sides?•3•< measures =?•180
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Equilateral triangle
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Equilateral triangle
•What do we know about the sides?
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Equilateral triangle
•What do we know about the angles?
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Isosceles triangle
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Isosceles triangle
•What do we know about the sides?
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Isosceles triangle
•What do we know about the angles?
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Scalene triangle
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Scalene triangle
•What do we know about the sides?
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Scalene triangle
•What do we know about the angles?
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Essential Question
•How do lists help us organize?
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Perimeter and Area
•Perimeter and Area Video
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Perimeter and Area
•So what is the area formula? •L x W
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Perimeter and Area
•What is the perimeter formula?•Add all sides together!
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Organizing Information
•From the video:•Fence 1: 200 by 200•Fence 2: 100 by 300
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Organizing Information
•What was the same•perimeter
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Organizing Information
•What was different?•Area
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Problem 1
•Let’s make a list•Dimensions•Perimeter•Area
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Problem 1
•Pictures column!•What dimensions give us 36 feet area?
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Problem 1•1 x 36•2 x 18•3 x 12•4 x 9
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Problem 1•6 x 6•All give us an area of 36 feet.•What are perimeters?
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Problem 1•1 + 36 + 1 + 36 =•74 feet•2 + 18 + 2 + 18 =•40 feet
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Problem 1•3 + 12 + 3 + 12 =•30 feet•4 + 9 + 4 + 9 =•26 feet
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Problem 1•6 + 6 + 6 + 6 =•24 feet•Which gives greatest perimeter?
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Problem 1•Which gives you the least perimeter?•How did the list help you?
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Problem 2•Hannah 24 1-foot squares. •She wants a garden with largest area.
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Problem 2•How will we work this problem?•Make a list!
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Problem 2•Titles for columns?•Dimensions•Perimeter•Area
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Problem 2•Sketch column?•Which of the columns do we already know?
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Problem 2•Fill in the perimeter column with ???•24•Why?
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Problem 2•How do you find area now?•Do the work on your sheet.
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Essential Question
•How do lists help us organize?
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Assignment:•Given 28 squares for the perimeter, make a garden with the biggest area.
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Next:•Review Problems•Model Drawing?
