Well, numbers are everywhere. Everything can be assigned a number that
has some meaning. The rock you just picked up might have a mass of 40
grams; with a volume of 15 cubic millimeters. Your child might be 6
years old and in grade 1. Your bank account has a many digit number and
has a certain number of dollars and a number of cents at <a
href="
http://www.k12math.com">...rest of article.</a>
Posted new article to http://www.k12math.com