Area of Cardboards
Author : Tatjana Vinokurova
You will determine the area of any shape of cardboard without using any formula .
Required tools :
● regular and irregular pieces of cardboard
● scales
● a pocket calculator
● ruler to measure the length of the sides of the squares
Your task :
1 . Measure the weight of square sheets of cardboard . Measure the lengths of their sides and calculate the area . Fill in the table .
2 . Find a function to calculate the area for a given ( x ) weight of a piece of cardboard . Draw a graph of this function .
Related Topics and Concepts : Functions and Areas of Various Shapes
Real Life Context : Construction , engineering calculations