Perimeters and Areas of Similar Figures

What operation do you use when finding the perimeter?

• Subtraction

• Multiplication

• Addition

• Division

What operation do you use when finding area?

• Addition

• Subtraction

• Multiplication

• Division

Ian is building a rectangular sandbox. The perimeter will be 12 feet. He wants the sandbox to have the greatest possible area. What could be Ian's sandbox?

• 
• 
• 
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Isaac drew two rectangles on grid paper. Which statement about the perimeter and areas of Isaac's rectangles is true?

• The areas are the same and the perimeters are the same

• The areas are different and the perimeters are different

• The areas are different and the perimeters are the same

• The areas are the same and the perimeters are different

When measuring area, what label do you use?

• units

• units²

• units³

Marla has a garden with a length of 5 feet and a width of 3 feet. What is the area and perimeter of her garden?

• A = 8 square feet
  P = 16 feet

• A = 15 square feet
  P = 8 feet

• A= 15 square feet
  P = 16 feet

• A = 16 square feet
  P = 15 feet

How do you find the area of a rectangle?

• Length + Length + Length + Length

• Length + Width

• Length x Width

• Width x Width

What is the perimeter of rectangle B?

• 5

• 6

• 8

• 10

What is the area of each rectangle?

• : Area = 6 square units;    : Area = 6 square units

• : Area = 6 square units;    : Area = 3 square units

• : Area = 14 square units;    : Area = 10 square units

• : Area = 7 square units;    : Area = 5 square units

Which statement about the perimeters and areas of Cheung’s rectangles is true?

• The areas are the same, and the perimeters are the same.

• The areas are the same, and the perimeters are different.

• The areas are different, and the perimeters are different.

• The areas are different, and the perimeters are the same.