Thursday, January 31, 2013

Top 5 Most Popular Posts of January 2013

As a new feature I am adding to my site, at the end of every month I am going to review my traffic data and then present my most popular posts.  In case anyone misses the posts on their original publications dates and then falls behind on my blog, this will now give them another chance to see the articles that the most readers are talking about.  So, without further ado, here are my top 5 most popular posts for the month of January 2013.
  1. 20+ Free Math Worksheet Sites for Teachers.  A great resource that contains links to several different websites that offer high quality math worksheets for free.  You can print these practice sheets and use them in class or at home to study.  These are all high quality sites, and I recommend checking them out for your worksheet needs.

  2. How to use LaTex Equation Editor.  If you have any reason to type math equations on your computer, you are likely familiar with the difficulties in getting your formulas to look anything like what you would write on paper.  However, if you use the LaTex Equation Editor, you can get your onscreen and online math equations to look exactly like you want.  Textbook perfect.

  3. Japanese Multiplication Method.  To learn about an alternative method of multiplication popular in the Japanese culture, take a look at this post.  It's a different perspective on a very common mathematical technique that is both functional and entertaining.

  4. Trigonometry - The Sine Function and SOHCAHTOA Explained.  One of my oldest posts, and still one of my most popular.  This post explains the concept of the sine function in trigonometry, and how it relates the to memorization trick most students know as SOHCAHTOA.

  5. Free Online Courses with Certificates.  This is one of my most recent posts, and it has gotten a lot of traffic.  It discusses several options that are available to anyone interested in taking online math courses, some of which actually will grant you certificates or transferable university credits.  Online education is a rapidly expanding offering, and those institutions and services listed in this post are among the most popular.
To find more great explanations and discussions of math concepts on my site, browse the Math Concepts Explained table of contents.  Alternately, you can enter your topic of interest in the search bar at the top of every page.

If you enjoy Math Concepts Explained, I invite you to join the many other students, teachers, and math enthusiasts who follow my site:

Thanks to all of my visitors for your support!

Tuesday, January 29, 2013

Free Online Courses with Certificates

Instead of presenting a math concept in this post, I would like to provide a bit of information for those interested in free online courses with certificates.  Many of the visitors I get to this site are students currently enrolled in their traditional school math programs, and they simply need help understanding their homework or a particular new topic they learned.  Other visitors may be more of the 'math enthusiast' variety, and are just reading these posts because they simply love everything to do with mathematics.  However, there may be visitors who don't have the luxury of actually attending a school to pursue their education.  Maybe there isn't a school nearby, or a good math program isn't available, or maybe they left school early and are trying to complete their education later in life.  For these people, one option available to them is online math courses.  In this post, I thought it might be helpful to present some options to consider, and I will mention what these programs have to offer.

Keep in mind that I am not affiliated with any of these, nor do I have any actual experience with them.  I am just going to present some compiled information for you to consider if you are interested.

In my research, one site that consistently came up in the search results was Open Culture, who market themselves as "the best free cultural and educational media on the web."  On their site, they have a list that contains 200 free online courses (which are "massive open online courses", or MOOCs) offered by various universities and institutions, some of which will issue a certificate of completion when you get through the course.  Some instead will provide you a statement of accomplishment.  These are good and worthy achievements, though they typically don't equate to transferable university credits.  You can find things on this list such as Introduction to Astronomy, or Introduction to Finance... topics which are mathematical in nature.  There are also classes offered with no certificates available, but may be more specific to mathematics, such as Introduction to Statistics.  It appears that this list gets updated frequently, as the courses are listed monthly as they are available, but there are also courses available that have no fixed start date, and so you can sign up and begin whenever you want.  I can't fairly comment about the quality of the material offered, but a brief look at some of the outlines available suggests that if you are serious about taking online math courses (or other subjects), these will teach you something.

Perhaps a more famous name than the previous site is the Massachusetts Institute of Technology (MIT), one of the more prestigious schools in America that you can attend.  A few years ago, they announced the beginning of a new educational venture: MITx.  While students that physically attend MIT (and gain the honour of being on campus, doing amazing things, and meeting brilliant professors), MITx promises to offer a similar quality of education online and for free.  And even better, they have said that they would issue a certificate to show that you have mastered the subjects offered, though it appears that obtaining these credentials will cost a nominal fee.  A quick glance at their site reveals a variety of topics available.  Several other schools and sites have applauded MIT for this initiative, so hopefully other institutions will follow their lead and we will have more high-quality schools offering free, recognized education.

Some reports actually suggest that the concept of MOOCs is the beginning of something big in education.  Another very well known school participating in this trend is Stanford University.  They offer several courses to take online, with varying start dates and topics.  A quick glance at the list of classes available online reveals several that are mathematical in nature, though most may be considered to be more advanced math concepts, such as algorithms and databases.  Nonetheless, for a free course that will teach you something, you won't find a much more reputable name than Stanford University, so this list of courses is definitely worth keeping an eye on, especially as it appears to be updated periodically.

Beyond these famous educational institutions, there are a few more sites that I will mention here that are extremely popular with people looking for an online education.  Coursera is a site that has partnered with top universities from around the world to offer free online courses to anyone who wishes to take them.  High quality video lessons and interactive exercises, combined with a global community of like-minded students, help make this service incredibly attractive and useful.  When I checked, there were 33 universities participating in the Coursera program, with a wide range of topics from music to medicine.  Of course, mathematics is a dedicated section with many options available from which to choose.  Algebra, calculus, and more advanced math concepts are available.  Looking at the breadth of material available, it is easy to see why this service is so popular!

Similar to Coursera, Class Central is a MOOC aggregator.  It appears to tap into the available course lists of many top universities, and makes them accessibly in an easily searchable database.  You can quickly see if there are any online courses available for your selected topic with a simple search right from their home page.  Class Central doesn't appear to offer any courses themselves, so anything you find there will be found offered by the originating institutions.  I only include it here because it seems like it could be useful to you in your research on choosing an online course.

Finally, though it's the same as the online courses I've mentioned above, Khan Academy is a very popular and useful site that provides many video lessons on several topics across a wide variety of subjects.  For example, in the math section, there are all sorts of videos that describe particular concepts, with very good explanations and examples.  If you are looking for a quick lesson on a topic, and you aren't interested in going through a whole course to obtain credits or certificates, Khan Academy should be one of the first places you look.

Of course, if you are looking for help on math concepts, you can always search my site or contact me to see if you can find the assistance that you need.  As I said, I have no experience with any of these services that I've discussed on this page.  I have only done a basic research and compilation to bring this information together in one place for you to consider if you would like to further your education by taking free online courses.

Sunday, January 27, 2013

New Site Milestone! 600,000 views!

I don't have any new math concepts to present in this post.  Rather, I just want to announce that my site has reached another milestone, because as of this morning it has received more than 600,000 views!  That's a lot of traffic, and has come a long ways since I started.  So, I just want to send a brief thank you to everyone who has ever come by my site or contributed in any way, especially those who have stimulated discussion in my posts, suggested new topics for me to cover, and to all of those other sites out there that have generously linked to mine.  Math is not a simple topic for many students, and I am extremely happy that I am able to provide any degree of assistance in making these concepts more accessible and understandable.  Thanks to everyone for your support, and here's looking at 1 million views!

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