The SAT Question Everyone Got Wrong - Veritaseum

See the full video at The SAT Question Everyone Got Wrong - YouTube.

List of Educational Websites | Part Thirteen

We've made it to the thirteenth AND LAST part of the series of the Ultimate List of Educational Websites. The last category is for...

Math

• Wolfram|Alpha: Computational Intelligence - This is themed as the math search engine. It allows you to enter any math equation and compute expert-level answers using breakthrough algorithms and artificial intelligence.
• Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve. The problems range in difficulty and expose new concepts as you go.
• mathrun.net - appears down or unregistered.

And now we've reached the end! This has been a fun little project to share a great list of various educational websites that I'm hopeful will be useful for students and teachers.

Spirograph & More Spirographs

The Spirograph was one of my favorite art toys as a kid. Here's a digital version written as a Java Applet.

Created by Anu Garg.

A Spirograph is a curve formed by rolling a circle inside or outside of another circle. The pen is placed at any point on the rolling circle.

If you would like to get the analog version, you can find them on Amazon.com at the following two links.

• Craft Book and Kit (Board book)
• The Spiral Draw Book (Klutz) (Spiral-bound)

Opportunity cost - Wikipedia, the free encyclopedia

You can learn a lot at Wikipedia. For instance,...

Opportunity cost is the cost (sacrifice) incurred by choosing one option over an alternative one that may be equally desired. Thus, opportunity cost is the cost of pursuing one choice instead of another. Every action has an opportunity cost. For example, someone who invests $10,000 in a stock denies oneself the interest that one can earn by leaving the $10,000 dollars in a bank account instead. Opportunity cost is not restricted to monetary or financial costs: the real cost of output forgone, lost time, pleasure or any other benefit that provides utility should also be considered.

Opportunity cost is a key concept in economics because it implies the choice between desirable, yet mutually exclusive results. It has been described as expressing 'the basic relationship between scarcity and choice.'

View the full entry about opportunity cost on Wikipedia.

SchoolMart-The most popular supplier of calculators, workbooks, & accessories to Educators, Schools, and Individuals

Need a calculator for back to school?

SchoolMart is your one stop for all of your educational needs! We are a national distributor of Math, Science, and Audio/Visual products to schools, teachers, parents, and students. Check out our wide array of educational tools you can use in your classroom to reinforce your curriculum. Your students will be challenged and realize learning is fun.

Get your shopping done early at SchoolMart.com.

Coolmath.com - Spike's Game Zone

Spike's Game Zone - free online games, learning and thinking games, jigsaw puzzles and tons of fun for kids of all ages. Play Breakout.

LINKS Learning for Kids: Math: Illustrated Lessons

Many children and people in general learn visually. A visual mathematical tutorial can be a useful introduction or refresher for those wanting to excel.

Math is the language of symbols. The way we work with numbers tells us a lot about their relationships, patterns, and the ways they change. Math helps us describe both similarities and differences and also helps us think and solve practical problems.

In this section, you will find some fun ways to learn about math. You can start out with Estimation of Length, Place Value and Weight and Capacity. If you want something more challenging, take a look at Line Symmetry, Patterns and Tangrams. Try some of these at home with your family!

Get started at LinksLearning.org.

Integer Bars: Learning Fractions

Learning about fractions? Need a good tutorial to help you get started that might also put you in a hungry mood for pizza?

The word fraction means a portion of a whole. For example, if you have a whole pizza cut into 8 equal slices, then each slice is a fraction of the whole pizza. A group of slices (for example, 2 or 3 slices) is also a fraction of the whole pizza.

Read more about Integer Bars: Learning Fractions.

Cool math 4 kids

Are you looking for a good resource to learn math online interactively? Just like Starfall.com is good for reading, Cool math 4 kids by Karen is a fun site for math games and puzzles.

Cool math 4 kids is a math site specially designed for what kids like and how they learn! Math really CAN be fun and really CAN be easy to learn. One "thank-you" email I received from a parent said, No more tears at homework time! That's what it's all about! I've got lots of lessons and games on the site(s) to make math fun...

So, look around... Play together and learn! HAVE FUN!

The site is also described as An amusement park of math and more -- especially designed for kids and FUN, FUN, FUN! So if you want to give it a try and stretch your math muscles, head over to Cool math 4 kids.com.