Bake Sale Cara, Nick, and Tammy had 96 cookies (8 dozen) to sell at a bake sale. Tammy sold 32...
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Transcript of Bake Sale Cara, Nick, and Tammy had 96 cookies (8 dozen) to sell at a bake sale. Tammy sold 32...
![Page 1: Bake Sale Cara, Nick, and Tammy had 96 cookies (8 dozen) to sell at a bake sale. Tammy sold 32 cookies. Nick sold as many cookies as Tammy sold plus 5.](https://reader035.fdocuments.in/reader035/viewer/2022070305/55159194550346486b8b58ee/html5/thumbnails/1.jpg)
Bake Sale
• Cara, Nick, and Tammy had 96 cookies (8 dozen) to sell at a bake sale.
• Tammy sold 32 cookies.
• Nick sold as many cookies as Tammy sold plus 5 more.
• Cara sold 10 fewer cookies than Tammy sold.
• How many cookies did they have left?
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• They had 5 cookies left.
Bake Sale
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Quadrilaterals
Lesson 10-5
Identify and Classify Quadrilaterals
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Quadrilateral
• A closed figure with four sides and four angles.
• Quadrilaterals are named based on their sides and angles.
• The diagram shows how the quadrilaterals are related.
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Quadrilateral
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Parallelogram
A quadrilateral with opposite sides parallel and opposite sides congruent.
Means parallel
Means congruent
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Rectangle
A parallelogram with 4 right angles.
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Rhombus
A parallelogram with 4 congruent sides.
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Square
A parallelogram with 4 right angles and 4 congruent sides.
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Trapezoid
A Quadrilateral with one pair of parallel sides.
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Quadrilateral
Parallelogram
RhombusRectangle
Square
Trapezoid
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Measure of a Quadrilateral
AB
•A Quadrilateral can be separated into 2 triangles. Since the sum of the measure of each triangle is 180° then the sum of the measure of both triangles is 180 +180 = 360°
•The sum of the measure of the angles of a quadrilateral is 360°
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Find the measure of the missing angle.
73°59°
85° x°
•85 + 73 + 59 =
• 217
•360 – 217 =
• x = 143°
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Concept Check
• Explain why all squares are rectangles but not all rectangles are squares?
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Concept Check
• A quadrilateral is a trapezoid.
• Always
• Sometimes
• Never
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Concept Check
• A quadrilateral is a trapezoid.
• Always
• Sometimes
• Never
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Concept Check
• A parallelogram is a rectangle.
• Always
• Sometimes
• Never
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Concept Check
• A parallelogram is a rectangle.
• Always
• Sometimes
• Never
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Concept Check
• A trapezoid is a parallelogram.
• Always
• Sometimes
• Never
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Concept Check
• A trapezoid is a parallelogram.
• Always
• Sometimes
• Never
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Practice Work
• Lesson 10-5 pg 435 - 436
• # 4 – 24 all
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Homework/Wrap-up
• Complete Lesson 10-5 # 1-15 all