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Grade: Elementary
Subject: Mathematics

#2140. Calculating total holes of a net

Mathematics, level: Elementary
Posted Sun Feb 18 20:01:45 PST 2001 by Arvind Upadhyay (arvind@classapart.com).
CLASS APART, Bhopal, INDIA
Materials Required: Peice of a net
Activity Time: 40 minutes
Concepts Taught: Arera

Very often children ask questions like How many stars are there in the sky ? Or, How many hair are there on our head ? Or how many holes are there in a net, say in a mosquito net.

Apparently it looks difficult, if you start counting them, but if you find out the no. of holes in a small area of 1"x1" and then find the total area of the net in inches. Then multiply the two to get the approximate total no of holes in a net!.
Interesting! Isn't it.