mod 5 lesson 1
TRANSCRIPT
Module 5 Lesson 1 The Area of Parallelograms Through Rectangle Facts.notebook
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Monday Problem Set Lesson 1 #1,2,4,6,7,9
Tuesday Problem Set Lesson 3 # 1,2,5,7Wednesday Problem Set Lesson 4 # 3,5,6,7Thursday Problem Set Lesson 5 # 2,3,4,5Friday Problem Set Lesson 6 # 1 ad
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MODULE 5 Area, Surface Area, and Volume Problems
Topic A: Area of Triangles, Quadrilaterals, and Polygons
Lesson 1: The Area of Parallelograms Through Rectangle Facts
Student Outcomes§ Students show the area formula for the region bounded by a parallelogram by composing it into rectangles. They understand that the area of a parallelogram is the area of the region bounded by the parallelogram.
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ClassworkOpening ExerciseName Each Shape
Right Triangle Parallelogram Acute Triangle
Rectangle Trapezoid
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How do we find the area of a rectangle?
How do we find the area of a parallelogram?
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7in
3in
3in
7in
3in
7in
So to find the area of a parallelogram.....
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Exercises1. Find the area of each parallelogram below. Each figure is not drawn to scale.
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§ How could we construct a rectangle from this parallelogram?
§ Why can't we use the same method we used previously?
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§ Therefore, it does not matter how tilted a parallelogram is. The formula to calculate the area will always be the same as the area formula of a rectangle.
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1.75in
0.5in
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1 3/4in
1 1/4 in
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1in
1in
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Closing
Please take out your exit ticket for Lesson 1, close your binder, and complete the exit ticket. This will be collected.
§ Why are the area formulas for rectangles and parallelograms the same?
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Closing
Please take out your exit ticket for Lesson 9, close your binder, and complete the exit ticket. This will be collected.
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