Area of Parallelograms

Area of Parallelograms

Lesson Goals

• Determine the area of a parallelogram.

• Solve real-world problems related to the area of parallelograms.

Standards

• 6.GM.4

  Find the area of complex shapes composed of polygons by composing or decomposing into simple shapes; apply this technique to solve real-world and other mathematical problems.

Multiple Choice

Review:

Which equation is related to 6d = 108 that isolates the variable?

• $d\cdot6=108$

• $d=\frac{6}{108}$

• $d=\frac{108}{6}$

• $6=\frac{108}{d}$

Multiple Choice

Solve the equation:

 $6d\ =\ 108$  

• 0.05

• 18

• 19

• 648

Parallelograms

• A parallelogram is a 4 sided figure whose opposite sides are parallel lines.

• Any line can be called the base.

• The height is perpendicular to the base and connects to the opposite side.

Multiple Choice

What's the area of this shape?

• 13

  $units^{ }$

• 13 $units^2$

• 40 units

• 40 $units^2$

Open Ended

How would you find the area of this shape? 

Multiple Choice

What is the area of this shape?

• 
  

  $18\ cm^2$

• $51.84\ cm^2$

• $69.84\ cm^2$

• $94.09\ cm^2$

Open Ended

Why is the formula for a rectangle, and the formula for a parallelogram the same?

Mr. McCrory is tiling his bathroom. Each tile has a base of 5 inches and a height of 3 inches. Mr. M uses 500 tiles. What is the total area that he covers with the tile?

• What information do you need?

• How can you solve this?

Multiple Choice

Mr. McCrory is tiling his bathroom. Each tile has a base of 5 inches and a height of 3 inches. Mr. M uses 500 tiles. What is the total area that he covers with the tile in square inches?

• $15\ in^2$

• $4000\ in^2$

• $7500\ in^2$

• $9230\ in^2$

Poll

How are you feeling about finding the are of things?

Open Ended

Any Questions?

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