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Math
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Comprehensive School Mathematics Program - Are you suffering the strings and arrows of CSMP (Comprehensive School Mathematics Program) at your school? Here is the home page for the publisher of these math materials. Each month there are new sample problems (and solutions in case you're stumped). If your mom and dad just don't get CSMP, have them read the introductory materials at this site. Then you can subscribe (free) to the CSMP listserv discussion group and talk to other families using these math materials.
Coolmath.com - This is the greatest math site ever. Really, it has no equal. Want to multiply your fun on the Net--as far as arithmetic, geometry, algebra, trigonometry, or calculus goes? You can learn about tessellations and all kinds of other really neat math stuff here, including puzzles and math tricks. There are no limits to what you can do at Cool Math--or are there? See for yourself! We'd add more, but we don't want to take away the surprise.
CTC's Trigonometry Explorer - This site offers a few Java demos from a larger CD-ROM about trigonometry. The easy-to-use applets include a little game of measuring angles with a protractor as well as a brief introduction to angles and their functions and pi. There is a bit on sextants, navigation, and latitude and longitude, too.
Dave's Math Tables - Dave must be the smartest guy in the entire universe when it comes to math. He has written down just about everything you could possibly need to know, and he even helps you understand what it's all about. That's more than most mothers and fathers can do. In fact, your parents will probably be thrilled if you let Dave help you understand the solutions to your problems. General math, algebra, trigonometry, calculus--they're all here, and you can even download the information to study at your leisure. This site is in both English and Spanish.
Figure This! Math Challenges for Families - Everyone can take turns guessing how to solve them, but be forewarned, many are real head scratchers. There are resources to help you get started, and you can always ask for a hint. Go to the Challenge index if you just want to choose to work with a specific kind of problem: geometry, measurement, numbers, or algebra. Other parts of the site help parents and kids get the most out of math education, including a sort of script to follow when asking kids if they need homework help.
Gamequarium - Need some help with your multiplication tables? At this site you can find games and activities that will help you learn and have fun too. There are links to games that will help you polish your skills in science, math, language arts, social studies, Spanish, and even games just to have fun.
Manipula Math with Java - Did you know everyone learns in different ways? Some kids learn by hearing something explained; other kids have to see something in a drawing or model; still other kids have to manipulate something themselves to really understand it. These wonderful Java applets let you manipulate geometric figures as never before. The Pythagorean theorem was never like this! Don't stop there--try clicking and dragging your way around some trigonometric functions. You'll also find applets in calculus as well as that ever-popular category: miscellaneous.
Math for Kids - A Medieval Adventure in Problem-Solving - Two fourth graders developed this page, and it was a finalist in the 1998 ThinkQuest Junior competition. Using a medieval knights and castles theme, they offer lots of sample word problems complete with step-by-step instructions on how to come up with the correct answer. They also have an area where you can determine the proper strategy for solving a word problem. "Sir Godfrey has been collecting gemstones for three years. His favorite gems are rubies. Out of his 233 gems, 75 are rubies. How many gems does he have that are not rubies, if there are three other types of gemstones?" Did you get it? No? Read all the help messages and try again. Then try some of the other problems.
Math for Morons Like Us - Ranging from pre-algebra to geometry to calculus, this site offers simplified explanations, tutorials, and quizzes for the math-challenged. Learn how to tell if lines are parallel, how to solve basic equations, and how to work with square roots. If you're really stuck, ask for help in the message board section, where people gather to discuss the fine points of parabolas and quadratic equations. This site was created by students for the ThinkQuest competition.
Math Forum: Student Center - Part of a larger forum devoted to geometry, this page focuses on links that could be useful or of interest to students. Lots of games, projects, and downloadable software can be found here. There is also a Problem of the Week and an Internet Hunt, where you can search for answers to math trivia on the Net. In addition, there is a whole archive of math tricks so you can beat a calculator anytime you want!
Math Goodies: Interactive Math Lessons - Check these interactive math lessons, such as understanding percentages or the circumference and area of circles. There are also message boards for both teachers and students, and there's a handy math image gallery if you don't want to have to draw your own illustrations of geometric formulas. Check the link library for a carefully focused collection to more math on the Net.
Math League - If this page had been around many years ago, Net-mom might have conquered long division when she was expected to! As it is, she still has trouble when it comes to fractions and decimals. But now that we have this page to practice with, there is renewed hope. There are lots of answers to lots of questions about mathematics here. There is also a great section explaining Math League contests and how to get involved in them. If you are a math whiz, you will love this place. In fact, even if you have problems with math, you're going to love this place!
Math.com - This comprehensive math site says it "has the solution"-and in all probability it does. Students can take "one minute" math lessons, be intrigued by fascinating fractals, games, and puzzles, and try out my favorite: the Roman numeral calculator! You'll also find free worksheets, tips on how to beat math anxiety, and loads of links for homeschooling parents. We'd add more, but we don't want to take away the math surprises to be discovered here.
Money Flashcards - Your dad says he'll give you the change that's in his pocket, up to two dollars' worth. Need some practice counting the value of loose coins? This is your site to visit.
Online Math Applications - Here's a question for you: What does math have in common with investing? How about music, history, science, or travel? Some kids who wanted to enter the 1998 ThinkQuest Junior competition decided to create a Web page about math and its connections with each of these areas. It was so good that it was named one of the finalists. Stop by and learn about Mozart's effect, scientific notation, compound interest, pattern recognition of routes between cities, and lots more. And you thought math was only 2 + 2!
Powers of Ten - Here's a napping picnic-goer, oblivious to the fact that we're going to use him to explain the powers of ten. What's that? Well, we're going to take one photo of him from ten meters above. Then we'll take another picture from 100 meters up. Hold on, we're going up to 1,000 meters or one kilometer (hey, look, it's Chicago!) and after that, 10 kilometers. We'll just keep going upwards and outwards, past the Sun, past the Milky Way, to the farthest reaches of our knowledge, at a distance of about 10 yottometers (or about 1 billion light years). But that's nothing. Just as easily, we can zoom back in by tens. Zip right back past the sleeping man, focus on his skin pores-steady-one millimeter, then 100 micrometers closer (Eeew, a microbe!), and on and on into capillaries, DNA strands, molecules, electrons, the nucleus, finally ending up with the quarks inside a proton. It doesn't matter how many times we jump out to space, or crawl inside his arm, the man stays asleep. Must have had a very heavy meal.
Questacon - Down under in Australia they've come up with a really neat way to understand math and science. The Questacon National Science and Technology Centre shares much of the excitement at this Web site, including a really interesting Williams family photo session that turns out to be something of a logic problem. You see, there are all of these kids and the photographer is trying to line them up from tallest to shortest and...well, maybe you'd better head there yourself and help them figure it all out. It's in the Fun Zone under Puzzles.
Ridiculously Enhanced Pi Page - Every March 14, at 1:59 P.M., the Exploratorium museum celebrates Pi Day. Get it? The value of pi to a few decimal places is 3.14159. This irrational celebration happens to coincide with Albert Einstein's birthday. Read about the ceremonial addition of a pi bead to the strand (they are up to 1,600 decimal places) and other events that make San Francisco a unique place to live. There are also plenty of links to places where pi is elevated to new heights of acclaim by its many fans around the world.
Roman Numerals 101 - All those XX's and L's, V's, and I's. With that kind of alphabet soup, how did the Romans ever balance their checkbooks? If you need a refresher on the Roman numeral system, visit this site. Once you've mastered the basics, try some math problems. Don't miss the guessing game, where you'll pick a number and the computer guesses it. It's always right!
The Math Forum - Ask Dr. Math - Mom and Dad don't understand your math homework; neither does your best friend. But you can ask Dr. Math. You'll enjoy finding out the answers to some of the questions that kids have already asked Dr. Math; for instance: What's the name of the "infinity" symbol? Why can't you divide a number by zero? And what happens if you bore a hole through the center of the Earth and drop something down the hole? Where will the item end up? Or down? Or...?
TI Calculators and Educational Solutions - Some schools require kids to use a Texas Instruments (TI) graphing calculator when they start pre-algebra classes. It has a lot of neat functions and a nice little screen, but what everyone really wants to know is "Where do I get games and software for it?" You get them here. You'll also be able to join a free discussion list on TI calculators and find out what's new on the calculator scene. There are often discount and refund offers at this site; tell your parents.
WebMath: Instant Solutions to Your Math Problems - Are you stuck with a math problem you can't solve? Try this site. It has many "fill in the blanks" calculators that will help you solve everything from a simple problem to one with quadratic equations and more. Got one of those pesky word problems, where you have to figure out stuff like "You have 13 coins totaling $2.75 in your pocket. They are all quarters and dimes. How much of each type of coin do you have?" Plus, it doesn't just give you the answer, an explanation is also provided.
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