Which unit of measurement is smaller: centimeters or inches?
centimeters
What are the two main characteristics of a polygon?
It has to have straight lines and it has to be a closed shape?
What is perimeter?
The distance around a shape (border or outline)
What is area?
The space inside of a shape
16
How long is the dark blue line to the nearest half inch?
7 inches
What is a polygon with 4 sides called?
A quadrilateral
Find the perimeter of this square:
20 in
Find the area of this rectangle.
20 sq cm
What is 6x6?
36
How long is the red line to the nearest half inch?
2 1/2 inches
What do these two shapes have in common?
They are both polygons, they are both quadrilaterals (4 sides)
Find the perimeter of this rectangle:
22 cm
Find the area of the rectangle.
21 sq in
What is 8x7?
56
How long is the brown line to the nearest half inch?
8 1/2 inches
What is this shape called?
Rhombus
A rectangular piece of chocolate has a length of 12 cm and a width of 9 cm. What is the perimeter of the chocolate?
42 cm
Find the area of the irregular shape.
22 sq m
What is 12x2?
How long is the purple line to the nearest half inch?
10 1/2 inches
What do these shapes have in common?
polygons, quadrilaterals, two sets of equal angles
Find the perimeter of this shape:
22 cm
Find the area of the irregular shape.
52 sq cm
What is 11x5?
55