This week we will devote the blog to math problems celebrating Earth Day, Friday April 22. For starters, here are a couple of our favorites:
If each person uses an average of 700 pounds of paper products per year, how many pounds of paper does your family use a year? Your class?
Americans buy 29 billion bottles of water a year, more than any other nation. It takes 17 million barrels of crude oil to make this many plastic water bottles. How many billion bottles can be manufactured from one barrel of crude oil?
Extra Credit: If Americans only bought 10 billion bottles next year how many barrels of oil would that take?