Area and Perimeter and Elapsed Time

If the perimeter of a SQUARE is 16, what is the side length?  

• 8 cm

• 4 cm

• 16 cm

• cannot be solved

If the AREA of a rectangle is 18 square inches, and the length is 9 inches, what is the width of the rectangle?  

• 3 inches

• 72 inches

• 12 inches

• 2 inches

Which of the following rectangles will have the largest area?  
Length 8 cm  Width 9 cm
Length 6 cm  Width 2 cm
Length 12 cm  Width 2 cm
Length 10 cm  Width 5 cm 

• A

• B

• C

• D

Which of the following will have the smallest AREA?

• 2 by 4 

• 3 by 12

• 9 by 1

• 6 by 7 

If the perimeter of a rectangle is 12 inches, and the length is 4 inches, what must the width be?  

• 4 inches

• cannot solve

• 2 inches

• 48 inches

How do we solve for Perimeter?  

• length x width

• L x W

• Add all the sides

• add then multiply by 4

How do we solve for AREA of a rectangle?  

• multiply side times 6

• Length x width

• cannot solve, there are no numbers

• add all the sides together

Compare these two squares.
A:  4 by 5
B:  10 by 2

• they have the same perimeter

• the widths are the same

• the side lengths are the same

• they have the same area

A pentagon has 5 sides, if one side is 7 inches, what is the perimeter of the pentagon?

• 5 inches

• 35 inches

• 30 inches

• 24 inches

If a rectangle is 9 cm by 2 cm, what is its perimeter?  What is its area?  

• Perimeter:  22 cm   Area:  18 squared cm

• Perimeter:  18 cm   Area:  22 squared cm

• Perimeter:  18 cm  Area:  18 squared cm

• Perimeter:  20 cm  Area:  22 squared cm