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Great Earth Day Math Lesson...


Earth Day Problems

Name________________________
In 1970, Gaylord Nelson of Wisconsin proclaimed April 22 to be "Earth Day." More than 20 million people participated in the first "Earth Day," which helped raise America's awareness of environmental issues.
1. Rainforests cover only a small part of the Earth but they are home to more than half the world's plants and animals. It is estimated that rainforests are being cut down at the rate of 100 trees per minute. At this rate, how many are cut down every 24 hours? Every week?

2. The average American uses 7 trees a year in paper, wood, and other products. If there are about 275 million Americans, how many trees are used in a year?

3. Each American throws away about 60 pounds of plastic packaging each year. At this rate, about how many years would it take one person to have thrown away a ton of plastic?


4. When you shower, you use 5 gallons of water every minute. Most people take 5 minute showers. How many gallons of water does a family of 4 use in a week (assuming they each take a daily shower)? How much do they use in a month?


5. A bath uses 50 gallons of water. How much water could a person save in a week taking a shower instead of a bath?


6. If each person took a 4 minute shower instead of a 5 minute shower, how much water could a single person save in a year?


7. A gallon of thrown away paint can seep into the Earth and pollute 250,000 gallons of drinking water. A spilled gallon of gasoline can pollute 750,000 gallons of water. What kind of damage would be done by just 3 gallons of paint and 2 gallons of gasoline?


8. It has been estimated that, on the average, each person in the United States discards about 32 pounds of solid waste each week. Some of the things that we dispose of can be broken down into: 5.1 pounds of ashes and dirt; 3.5 pounds of metal; 2.6 pounds of glass; 2.6 pounds of garbage; 2.2 pounds of wood, rags, and plastic. Make a bar graph to display this information.


9. Make a bar graph showing the annual household waste per person in each country:
(in pounds per person):
United States - 1930
Canada - 1157
Italy - 542
Japan - 758
Sweden - 661
Australia - 1500






10. Below are listed materials and millions of tons generated in one year in the U.S. and how much of each is recycled. Complete the table by filling in the % of each material recycled.
Material Millions of Tons
Generated Millions of Tons
Recycled % Recycled
Paper 77.8 26.5
Aluminum 3.0 1.1
Glass 13.7 3.0
Plastic 19.3 .7
Yard Debris 32.8 6.5
11. Make 2 pie charts to display this information:
Solid Waste Management
Recycled or Reused: U.S.- 11%; Japan - 50%
Waste-Energy: U.S. - 6%; Japan - 23%
Landfill: U.S. - 83%; Japan - 27%
________________________________________

March Stories...Glms Ezine

Here is a copy of our first "GLMS" magazine...

Pi Day Party

Turn Off Today For Earth Hour

Earth Hour is tonight, March 29, from 8 to 9 pm local time! Get ready to make it a great celebration for the planet.

Wondering what to do after you turn the lights out? Here are 10 fun ideas to help you, your family and your friends make a change and make a difference today.


Time to switch to CFLs!
1. Host a Green Party
Get your friends together for an Earth Hour eco-party. Fire up the flashlights and battery lanterns, serve organic food, avoid the disposable utensils, use natural décor (like flowers and hanging plants) and have a friend provide acoustic music. Talk to your guests about how you're each reducing your environmental footprint and share ideas and solutions for saving more energy, money and carbon dioxide.

2. Give Yourself an Energy Makeover
Use Earth Hour to make your home more energy efficient: Replace your old light bulbs with compact fluorescent bulbs; install power strips (so you can turn computers and electronics on and off more easily); and change your air conditioner filters. Or go one step farther and install one new energy-efficient item, like an EnergyStar qualified DVD player. And on Monday, call your local utility and sign up for green power-like wind, hydro or solar.

3. Go Green with Your Kids
Earth Hour is a perfect time to talk to your kids about the environment and why we need to protect our planet from the dangers of climate change. Check out books on the environment from the library and read by flashlight, or head into the yard and have a night picnic. Or how about a night of board games? Check out our downloadable Earth Hour kids' activities.


Don't forget your reusable
bags when you shop!
4. Do a Recyclables Scavenger Hunt
Get your flashlights and scour your cabinets and shelves for cans, bottles and cardboard (like cereal boxes) that you don't normally recycle. Make a list of all the non-recyclable containers you're using now (like plastic shopping bags and butter tubs), and figure out ways to reduce your consumption of items that end up in landfills. One easy tip: get reusable grocery bags... and reuse them!

5. Green That Workspace!
Working the night shift? Even if you can't turn off all the lights at work, look around and see what you can unplug, turn down or use less of (like consuming less paper by printing double-sided). Every day millions of computer screens and speakers are left on overnight--shut 'em off! And talk to your coworkers about what they can do to help make a difference, too.

6. Involve Your Local Leaders
If your city or town isn't hosting an Earth Hour event, ask your local government to set up a community "green" discussion this spring. Help organize attendance by reaching out to local environmental and community groups, and come prepared to ask your leaders what they're doing to make your city greener.

7. Clean Up Your Neighborhood
Grab a flashlight and take a long walk through your neighborhood, picking up trash and recyclables as you go. It's a great chance to do some stargazing, too!


Turn off the television.
© WWF-Canon/John Daniels
8. Unplug and Chill Out
Most of our daily activities--like watching TV, shopping online and texting friends--require loads of electricity, but do we really need to do so much stuff all the time? Take one hour for yourself to just chill... turn off the screens, put down the handheld devices and just take some "you" time to reflect, read or talk to your family. After all, why do more when you can do less?

9. Take Your Temperature
Your thermostat and your refrigerator are responsible for a huge portion of your carbon footprint. If you lower your thermostat by just 2 degrees and set your fridge to 37 degrees F. and the freezer at 0 degrees F., you'll make a big difference.

10. Make a Pledge for the Planet
Earth Hour shouldn't end at 9:01 pm--it's a chance to take a first step toward lowering your overall impact on the environment. So use part of that hour to make a personal pledge to do more--recycle, drive less often, turn off or unplug electronics, and beyond. The only way we're going to stabilize our climate is if we make real changes in our everyday lives. That change begins with Earth Hour, and ends with a healthy planet.

Of course, there are more than 10 ways to make a difference. Visit WWF's website for additional ideas on things you can do every day to help the Earth and reduce your environmental footprint.

Thank you for being a part of Earth Hour and committing to lowering your impact on the planet.

Switching off,


Richard Moss
Managing Director and Vice President, Climate Change


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It's A Boy...

Hunter Reed Reynolds arrived on March 24, 2008 weighing in at 9 lbs 1 oz and measuring 21 inches.

Make a scrapbook - it's easy!

Pi Day

Celebrate Pi Day with our class!!!


To view our ecard...
Click on the following Internet address or copy & paste it into your browser's address box. http://www.123greetings.com/view/7MY30313181725238


Pi, Greek letter ( ), is the symbol for the ratio of the circumference of a circle to its diameter. Pi = 3.1415926535... Pi Day is celebrated by math enthusiasts around the world on March 14th.
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With the use of computers, Pi has been calculated to over 1 trillion digits past the decimal. Pi is an irrational number meaning it will continue infinitely without repeating. The symbol for pi was first used in 1737 by William Jones, but was popular after it was adopted by the Swiss mathematician Leonhard Euler in 1737. Learn More »
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Our Lives...Our Stories

Our Lives...Our Stories is an online magazine for Mathematics and Geography students in Mrs Keck, Mrs Dilmore and Mrs Abrams classes. This year our students will participate in exciting activities that address the Sunshine State Standards in the Mathematics and Geography classrooms. Students have been chosen to form the first Math/Geography Ezine for Greenwood Lakes Middle School for teens! We all know how exciting Mathematics and Geography can be and we want to share this excitement with the whole world! You will be creating exciting articles, puzzles, challenge problems, cartoons, cover pages, editorials, your own columns (advice) and advertisements. You will have the opportunity to address each theme and engage in activities and discussions that provide insight into their importance. Through the completion of the activities, hopefully students will gain an understanding of their ability to make a lasting positive impact and experience a rewarding year in our Math and Geography classes. So how excited can YOU get about Math and Geography? Take an interest in the topics that you pick. Hand in a quality piece of work. Feel proud to be pioneers of the first GLMS Math/Geography Ezine for teens!

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