What is the basic definition of perimeter?
"Calculate the perimeter and select appropriate units of length" Success Criteria: I can define perimeter I can calculate perimeter I can choose appropriate units of measurement for specific situations
Perimeter - When will I use it?
Perimeter is the distance around a 2D shape. It can be found by adding up the length of each side of a shape. It is used to measure the size of a shape.
Perimeter - What is it and how it works
How do we find the perimeter of a triangle?
How do we find the perimeter of a square?
How do we find the perimeter of a rectangle?
How do we find the perimeter of a quadrilateral?
How do we find the perimeter of a circle?
Ancient Egyptians used ropes with knots to measure the perimeter of fields. The Great Wall of China is 21,196 km long, making it the longest man-made structure in the world. The circumference of the Earth is 40,075 km.
Work together in pairs: Given a rectangle with a length of 10 cm and a width of 6 cm, what is the perimeter of the rectangle in cm?
What units of measurement would you use to measure the perimeter or circumference of the following: - Hokey Oval - Table - Pencil - House
Brain break: Draw a picture of a giant elephant balancing on a beach ball!
What is the perimeter of a square with sides of 3 cm?
What is the perimeter of a rectangle with sides of 4 cm and 5 cm?
What is the perimeter of a triangle with sides of 2 cm, 3 cm, and 4 cm?
What is the perimeter of a circle with a diameter of 6 cm?
What is the perimeter of an octagon with sides of 3 cm?