Area Lesson

Area of Composite Figures

Multiple Choice

Area is .....

• The space between red sus and blue sus

• The space inside the boundary or on the surface of an object

• The area AROUND the outside of an object

• The adding of all sides of an object

Perimeter

• Distance around the OUTSIDE

• Think peRIMeter

• Soldier surveying the perimeter

• Found by adding all the sides

Area

• Inside the boundary of the object

• Found by multiplying the length and the width

• STAAR examples

Multiple Choice

What is the area of the blanket in square feet?

• 17 square feet

• 34 square feet

• 72 square feet

• 63 square feet

Multiple Choice

What is the area of this object?

• 16 square units

• 8 square units

• 12 square units

• 6 square units

Multiple Choice

What is the area of this object?

• 20 square units

• 10 square units

• 8 square units

• 24 square units

Multiple Choice

What is the area of this object?

• 11 square units

• 22 square units

• 33 square units

• 30 square units

Multiple Choice

What type of model is this?

• Area Model

• Karen

• Array

• Strip Diagram

Array

• Similar to an area model

• Still multiplies length (rows) x width (columns)

• An arrangement of objects, could be ANYTHING

Multiple Choice

What does this array represent?

• 5 x 4 = 25

• 5 + 4 = 9

• 5 x 4 = 20

• 5 + 4 + 5 + 4 = 20

Multiple Choice

These two arrays are equal?

• True

• False

Now...Let's create some arrays of our own....

6 x 8

48

7 x 5

35

9 x 9

81

Sometimes.....

Multiple Choice

The area of this object is.....

• 6 x 7 = 42

• 6 x 7 = 48

• 6 x 7 = 13

• 6 + 7 = 42

Multiple Choice

The area of this object is....

• 5 x 6 = 11

• 5 + 6 = 11

• 5 x 6 = 35

• 5 x 6 = 30

Multiple Choice

The area of this object is .....

• 4 x 5 = 25

• 4 + 5 = 25

• 4 x 5 = 20

• 4 + 5 = 20