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Understanding the Area of Trapezoids: A Quick Guide for Homework

This resource is designed to help students learn how to find the area of trapezoids effectively. Through engaging activities like flashcards and quick checks, students will explore the relationship between trapezoids and parallelograms, enabling them to apply the formula for calculating the area: A = (b₁ + b₂) * h / 2. The guide also includes practice problems, encouraging self-assessment and proficiency. By the end, students will gain confidence in solving area-related problems, especially in real-life applications like estimating areas of regions such as Osceola County, Florida.

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Understanding the Area of Trapezoids: A Quick Guide for Homework

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  1. 5 Minute Check Find the area. Complete on the back of your homework. 1. 2. 3. 4.

  2. 5 Minute Check Find the area. Complete on the back of your homework. 1.

  3. 5 Minute Check Find the area. Complete on the back of your homework. 1. A = = = 48ft²

  4. 5 Minute Check Find the area. Complete on the back of your homework. 2. A = =

  5. 5 Minute Check Find the area. Complete on the back of your homework. 3.

  6. 5 Minute Check Find the area. Complete on the back of your homework. 3. 21 = 21= 3b 3 3 7 = b

  7. 5 Minute Check Find the area. Complete on the back of your homework. 4.

  8. 5 Minute Check Find the area. Complete on the back of your homework. 4. A=

  9. Flashcards

  10. Tuesday, Feb 4 Chapter 9.3 Area of Trapezoids

  11. Area of Trapezoids Objective: To find areas of trapezoids.

  12. Area of Trapezoids At the end of this lesson you should be able to answer the following question. How is the area for finding the area of a trapezoid related to the formula to find the area of a parallelogram?

  13. Area of Trapezoids A trapezoid is a four sided polygon that has one pair of opposite sides parallel. The sides that are parallel are called “bases”. base 1 base 2

  14. Area of Trapezoids A parallelogram is two congruent trapezoids. base 1 base 2 base 2 base 1

  15. Area of Trapezoids The area of a trapezoid can be found by the following formula: A = b₁ b₂

  16. Area of Trapezoids Find the area of the trapezoid. A = b₁ = ?

  17. Area of Trapezoids Find the area of the trapezoid. A = b₂ = ?

  18. Area of Trapezoids Find the area of the trapezoid. A = h = ?

  19. Area of Trapezoids Find the area of the trapezoid. A = Next?

  20. Area of Trapezoids Find the area of the trapezoid. A = A = Next?

  21. Area of Trapezoids Find the area of the trapezoid. A = A = A = Next?

  22. Area of Trapezoids Find the area of the trapezoid. A = A = A = A = 59.5in²

  23. Area of Trapezoids Find the area of the trapezoid. Do this on your own.

  24. Area of Trapezoids Find the area of the trapezoid. A = A = A = A = 100cm²

  25. Area of Trapezoids Find the area of the trapezoid. With the calculator: b₁+b₂ = x h ÷ 2 =

  26. Area of Trapezoids If the area of Osceola County, Florida resembles a trapezoid. Find the approximate area of this county. Do this on your own.

  27. Area of Trapezoids If the area of Osceola County, Florida resembles a trapezoid. Find the approximate area of this county. A = A= A = A = 1634mi²

  28. Area of Trapezoids Agenda Notes Complete Mid-Chapter Check on page 696. Homework– Homework Practice 9-3 Due Wednesday, Feb 5 Mid-Chapter 9 Quiz –Wednesday, Feb 5

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