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 Thursday, May 23rd, 2013: Our Law of Cosines lesson has a new quizmaster. It will test whether or not a person can calculate the length of a side using the Law of Cosines. Tuesday, May 21st, 2013: A new lesson on Graphing Lines was added. The lesson offers information on various aspects of graphing, like slope, y-intercept, slope-intercept form, and other information to help learn how to graph linear equations. Monday, May 14th, 2013: A new quizmaster on Law of Sines: Find a Side was added. MATHguide has been very prolific this year! Monday, May 13th, 2013: A new quizmaster on adding rational expressions was added. The lesson on adding rational expressions was finished, too. Tuesday, May 7th, 2013: A new quizmaster on subtracting rational expressions was added to accompany its lesson. Monday, May 6th, 2013: A new quizmaster on advanced rational expressions was added to accompany its lesson. Monday, April 29th, 2013: A new lesson on circles was added to accompany its quizmaster. The lesson will inform the reader how to graph equations of circles. Tuesday, April 16th, 2013: We added a quizmaster on circles. This interactive quizmaster will provide the center and radius of a circle. It will then wait for the equation of the circle to be entered. The quizmaster will determine if the equation is correct and report it. Tuesday, April 16th, 2013: We added a quizmaster on hyperbolas. This interactive quizmaster will deliver a hyperbola graphing problem, wait for responses, and check those responses! Thursday, April 9th, 2013: Now, MATHguide has a lesson on ellipses. This lesson will inform you how to graph ellipses. Ellipses are called Conic Sections. We also created an interactive quizmaster, too. See if you can graph your own randomly generated ellipse. We expect to have more lessons soon, on circles, hyperolas, and parabolas. Thursday, April 4th, 2013: We created another interactive lesson, called Algebra Magic 4: Advanced. This interactive lesson has a high level of difficulty compared to the first three we created. Our lesson on factoring was updated. We added graphics and relevant links to other related lessons in our portfolio. Wednesday, April 3rd, 2013: We were extremely productive today. We have lessons related to algebraic expressions that are interactive: Algebra Magic 1: Simple, Algebra Magic 2: Intermediate, and Algebra Magic 3: Intermediate. Along the same lines of mathematics, we have lessons that deal with rational expressions. Learn how to simplify, add, subtract, and do advanced level problems. Monday, March 19th, 2013: More quizmasters were updated within the geometry section of our lessons. There were a few rounding issues that were taken care of when dealing with the value π as were the lessons for surface area and volume for cylinders, cones, and spheres. Two new quizmasters were also added: Surface Area Tour and Volume Tour. Monday, March 18th, 2013: More quizmasters were updated. A small rounding issue was taken care of within the Area: Circles quizmaster. Saturday, March 16th, 2013: Several of our quizmasters were cleaned up to deliver better output and respond better to absent input. Tuesday, March 12th, 2013: Continuing our cycle of trigonometry quizmasters, we now have one for cosine problems. Our next lesson will be on rational expressions. Tuesday, March 5th, 2013: We have a new quizmasters for sine problems and tangent problems. Expect a new quizmaster for cosine very soon. Tuesday, February 26th, 2013: We updated a few pages. Our Area, Surface Area, and Volume lessons were updated. The explanations of the example problems were changed so that they are easier to follow. Our Operations on Integers lesson got a facelift and a few changes to help navigability. We're always hard at work to help yo learn mathematics! Tuesday, February 23rd, 2013: We added a lesson on right triangle trigonometry. Learn how to use the sine, cosine, and the tangent functions. Tuesday, February 19th, 2013: To finish out a set, we completed the The Law of Cosines lesson. Like The Law of Sines lesson, there are plenty of graphics to help. There are also detailed explanations, too. Monday, February 18th, 2013: We created two new pages in the area of trigonometry. One is on the basics of trigonometry and the other The Law of Sines. There are plenty of visuals to help the learning process; so, enjoy the mathematics! Tuesday, February 13th, 2013: There are a lot of updates to report! We updated several graphics to bear a copyright mark after discovering other web sites that are using our graphics illegally. We also placed a donate button on our front page so that we can keep providing free services, new lessons, and new quizmasters. We also updated our sequences and series lessons and quizmasters. Thursday, January 31st, 2013: MATHguide's front page got a graphics tweak. We smoothed out some graphics and changed others altogether. We got tired of our flat front page. Hopefully, it's more appealing to visitors. Tuesday, January 29th, 2013: MATHguide's front page got a facelift. Attention was given to our lessons, as they are our major feature. New graphics were added, background elements were placed, and the width was expanded. We hope it is now visually more appealing. Sunday, January 27th, 2013: The operations on polynomials lesson now has multiplication, too. Saturday, January 26th, 2013: New lessons were added for polynomials: adding and subtracting. Several other pages were altered, but only cosmetically altered. Tuesday, January 21st, 2013: A new lesson has been added: Solving Quadratic Equations. Like several other lessons, this lesson contains clear graphics to assist the learner. Tuesday, January 15th, 2013: Our Solving Equations page has been updated. Graphics have been used to make the lesson easier to understand. Monday, June 6th, 2011: A Work Problems page has been created. We already had a work quizmaster; so, it's now complete. Saturday, June 4th, 2011: A Chemistry Problems page has been created to compliment our existing chemistry quizmaster. Tuesday, May 31st, 2011: It has been a long time since our last update. Yet, it has happened! Our Systems of Linear Equations page has been updated. It has been made to be more student friendly because visuals have been added. Thursday, January 7th, 2010: Our Projects section has been updated. Student work has been posted that includes cartoons and a crossword puzzle. Tuesday, August 14th, 2007: A new tutorial has been finished. Just in time for the new school year, the tutorial addresses formal teacher evaluations. It is called Evaluating Teachers. Sunday, February 18th, 2007: There are two new quizmasters. One is called Mixture 2. The other is called Distance 2. We now offer three advanced word problems! Like the others, they supply a word problem and wait for a solution to check for instant feedback. Friday, February 16th, 2007: There is a new quizmaster called Chemistry 2. It will supply an advanced chemistry word problem and wait for a solution to check for instant feedback. Tuesday, February 13th, 2007: There is a new quizmaster called Distance. It will supply a distance word problem and wait for a solution to check for instant feedback. Monday, February 12th, 2007: We have three new quizmasters for algebra students. They are beginning level word problems. They are called Chemistry, Mixture, and Work. In the days to come, I will tweak these quizmasters and make more challenging problems for advanced algebra students. Tuesday, February 6th, 2007: Students who can actually manipulate mathematical structures and formulas stand a better chance of understanding them. There is an excellent site from Utah State University, called eLVM, which has lessons, activities, and teacher submitted lessons. Utah State U. offers the modules for free. To access other modules for subjects other than math, go to the Federal Resources for Educational Excellence home page. We also have tutorials that are free on MATHguide's lessons section. Tuesday, September 19th, 2006: A new paper was added within our Research Section, called Preparing New Teachers: Transitioning to a Particular School. The paper helps teachers who are new to teaching or new to a school. Some information is specific to Morton East High School (Cicero, IL). A companion tutorial is in the process of being created. It is called Preparing New Teachers: A Survival Guide. When the tutorial has been completed, it will be noted. Saturday, August 26th, 2006: A new paper was added within our Research Section, called The Illinois Virtual High School: Forming a Cooperative Partnership. The paper explains how all Illinois schools can benefit from distance learning, even though it is specific to the challenges of Morton East High School (Cicero, IL). By mid-September, another research paper and tutorial will be posted. They will help new teachers to Morton East High School. However, there will be a considerable amount of helpful information for all new teachers, regardless of where they teach. Tuesday, March 28th, 2006: The entire section on The Pythagorean Theorem has been completed. There is a description, derivation, and two examples of the theorem. Monday, March 27th, 2006: A new section has been added within The Pythagorean Theorem: deriving the relationship. There is a color graphic and a mathematical derivation. Two lessons on how to use the theorem will soon follow. Sunday, March 26th, 2006: A new lesson has been added within the volume section: cones. This completes our work on the volume of solids. We have a lesson and quizmaster for the volume of all solids. A new lesson has been added within the surface area section: prisms. Also, examples have been added for the surface area of other solids within the section. Saturday, March 25th, 2006: A new lesson has been added within the surface area section: pyramids. Sunday, March 19th, 2006: A new lesson has been added within the surface area section: cylinders. Sunday, March 12th, 2006: Two new lessons have been added within the volume section: square based pyramids and spheres. Monday, March 6th, 2006: Two new lessons have been added within the volume section: rectangular prisms and cylinders. Also, numerous images have been updated within the area lessons section. Saturday, February 18th, 2006: The frontpage has been updated. The old frontpage can still be viewed. Sunday, December 4th, 2005: There has been a great deal of controversy concerning science education at the high school level. Evolution has had to deal with the notion of Intelligent Design. To aid educators, parents, and interested individuals, MATHguide presents Intelligently Designed Public Education: The Role of Intelligent Design in the Science Curricula, an article that approaches the ramifications of Intelligent Design to the science curricula. Saturday, September 17th, 2005: A proposal for a statistically-centered team has been posted. It is called, Testing Analysis Team. The proposal is designed to integrate with Morton East's current organizational model and the standards imposed by federal and state departments. Friday, August 12th, 2005: A new tutorial has been added. Learn about various school discipline techniques that will help new teachers, veteran teachers, and administrators build comprehensive discipline systems. It is called, Guide to School Discipline. Monday, March 28th, 2005: Our project section has been updated. It now includes helpful graphics. It is also in a format that is understandable to high school students. Sunday, March 20th, 2005: A tutorial has been added to our Teacher Resources section, called Elements of Effective Webpage Design. The tutorial covers topics that include typography, graphics, site reviews, and resources for further study. Saturday, February 26th, 2005: Since teachers are busy developing creative lessons, MATHguide is providing teachers with automated exercise sheets. Teachers can choose the number of desired problems and MATHguide will print up a random list of problems. There are sheets for two different types of factoring problems and systems of linear equations. While we were creating the perl scripts for the exercise sheets, we also cleaned up the factoring quizmasters (a = 1 and a > 1). They now include a difference of two squares. Monday, January 31st, 2005: A complete quizmaster section was added on polynomials. Now, students can check for understanding on addition, subtraction, and multiplication using binomials and trinomials. Monday, January 17th, 2005: Many of the headers on our pages have been updated so that navigation is a tad easier. Also, these pages hold a link to a new section -- a search page. The search page can be used to search the contents of MATHguide and it can also be used to search the entire Internet through Google. Wednesday, January 5th, 2005: There are a number of organizations that are accepting money for Tsunami relief. Many organizations keep a disproportional amount of money for operating costs, which include paying salaries for those who lead the organization. Operation USA boasts 100% of its donations go to the affected regions. In a 2003 Report, Operation USA used 1.2% of its donations for administrative and fundraising costs. Visit Operation USA to donate now. Saturday, December 18th, 2004: MATHguide has opened a new section: Research Materials. The page contains a storehouse of research articles, presentations, lessons, and external links related to education. There are helpful stratgies for dealing with technology, Gardner's multiple intelligence model, and more. Tuesday, December 14th, 2004: There are some updates to report. The quizmaster for quadratic equations has been updated to produce neater output for the equation. There are no more problems dealing with negative numbers. Also, a scientific calculator has been added to MATHguide to help students work with the quadratic formula. Wednesday, October 20th, 2004: Our Teacher Resources section has been updated to include a link to a section that handles standardized testing in mathematics, called Math Assessment Helper. Monday, August 23rd, 2004: Our old board (click here to view it) no longer functions. It can and will be used for reference purposes. New posts will no longer be accepted to it. However, our new board (click here to use it) is working very well. It requires users to first register to use it. The process takes about two minutes to complete, which is a small price to pay to rid us of spammers and flammers. Enjoy it. Friday, August 20th, 2004: MATHguide was experiencing a number of problems related to our bulletin board system. As a result, we had to put into place procedures to deal with the situation. We still have our old bulletin board but we also have a new and improved bulletin board. To find out all the details related to this event, click here. Wednesday, June 30th, 2004: There are two new brainteasers on MATHguide: Funky Factors and Congruent Circles. Monday, May 3rd, 2004: Now there are three review games located on our teacher resource page. There is Math Baseball, Math Football, and Math Jeopardy. They can be used for any discipline and will involve all students. Wednesday, April 28th, 2004: We have added a few teacher resources to our pages. Services include two review games that can be used across all disciplines and links to our graphing calculator and links pages. Wednesday, March 14th, 2004: A new free service was added, a graphing device. Now students can graph functions without the need of purchasing expensive calculators, so long as there is access to the Internet. Tuesday, March 23rd, 2004: Some changes were made to a few quizmasters because they either were not checking answers properly (area of trapezoids) or were not titled properly (volume of pyramids). The trapezoid quizmaster was not able to recognize correct answers, but it did report the correct answers. The checking mechanism was identified and altered. The title was changed on the volume quizmaster. However, a new feature was added to the area of plane figures section. Now, readers can take a tour of all five figures with ease. They can take a quizmaster area tour! Sunday, March 7th, 2004: The quizmasters would not be complete without the lessons for areas of common figures. Find five lessons that explain what area is and derive the various formulas for area. Saturday, March 6th, 2004: We have five new quizmasters to report! View our lessons page under two dimensional figures to find quizmasters that will test your ability to calculate area for rectangles, triangles, parallelograms, trapezoids and circles. More free services offered to the global community, by MATHguide. Saturday, January 31st, 2004: We have a new puzzle to unleash on the public. It's called The More, The Merrier. Here's a tip for those of you who detest the trial and error method: create a rational expression. Thursday, January 1st, 2004: Welcome to 2004! Like the regularity of an atomic clock, we have changed our Help Board to reflect the new year. New year = new board. How's that for a cheesy equation. To view the new Help Board, Click Here. Monday, November 10th, 2003: Dr. Mark Shapiro, Professor of Physics at California State University (Fullerton), speaks out on financial policies that practically have students lining up like cattle inside lecture halls. This policy could affect classrooms at all levels across the nation. The name of the piece is So Much for Individual Attention! Friday, October 10th, 2003: Two new lessons have been added for solving systems of linear equations: addition method and multiplication/addition method. MATHguide already had a quizmaster for systems of equations, but the quizmaster was beautified to produce negative friendly output. Tuesday, October 7th, 2003: There is a new lesson on factoring two different types of quadratic trinomials. The quizmasters on those lessons have been in existence on MATHguide since 1999, but they have been beautified. Enjoy. Wednesday, September 17th, 2003: There's a new puzzle to explore and eventually conquer: Circular Logic. It involves conic sections and a system of two equations, three unknowns. Have fun determining your solution. It's one, real, radical solution. Tuesday, June 24th, 2003: We have added a new puzzle, called Arcs and Chords and Segments, Oh My! It is a very challenging puzzle that involves a few different areas of mathematics and is appropriate for Geometry students and above. Thursday, April 3rd, 2003: Eight new quizmasters have been added! The surface area theme on solids that we started on April 2nd wouldn't have been complete without a similar one on spheres. Once the quizmasters were complete for surface area, it was extremely simple to modify them to work for volume too. We added two quizmasters to handle determinants of the 2x2 and 3x3 varieties. View the lessons page to find our complete list of lessons and quizmasters. Click on the Q's to get to the quizmasters. Wednesday, April 2nd, 2003: As if the latest updates were not enough, there are four new quizmasters! They are all related to three dimensional solids: prisms, cylinders, pyramids and cones. Use them to test/refine surface area skills. Go to our lessons page to access them. Monday, March 31st, 2003: The arithmetic sequences and series lessons would not have been complete without its cousin lessons on geometric sequences and series. Three quizmasters were also added! Sunday, March 30th, 2003: The lesson on arithmetic sequences now includes our trademark quizmasters. After reading the lesson, try out our variety of quizes. CLICK HERE for the details. Saturday, March 29th, 2003:A new lesson has been added. It's a multi-part lesson that handles arithmetic sequences. Readers can now learn about how to calculate nth terms of sequences and add large sums of numbers. Saturday, January 4th, 2003:Our HelpBoard has been updated for the new year. Start asking your math-related questions at will and have a Happy New Year! Saturday, November 2nd, 2002:Read an article by Tom Cordle, History on Purpose. It's about revisionism within history. Tuesday, October 1st, 2002:The recent anniversary of the September 11th tragedy, along with our nation's ability to cope with the incident, sparked a number of deep thoughts and reflections. See I Pledge Allegiance to What?Friday, January 15th, 2002:New student projects were added, under songs. A special thanks to Tiffany Cole, Kath Galvez, Gabby Loya, Annarosy Ortega and Joshua Seals.Tuesday, January 1st, 2002:We updated our message board. View our new Index Page. Sunday, September 16th, 2001:MATHguide gets listed on NewScientist.com's Site-of-the-Day page.Wednesday, September 12th, 2001:A new feature was added to the site, called Quickmail. It's a members only section for those who like web-based e-mail. Saturday, March 17th, 2001:Time Warp was added to the puzzles section. Everyone should have a fun time solving it. Wednesday, January 24th, 2001:The projects section was updated. This section is great for teachers to use in order to spice up their classes. Tuesday, October 13th, 2000:Dan Gilio continued the debate -- public education versus private education -- called Public Education Revisited. Read a response by Mark Karadimos, called The Voucher Battle: Public Debate Over Privatized Education. Saturday, July 22th, 2000:Internet Minute reviewed this site.Wednesday, July 19th, 2000:Read an essay written by Mark Karadimos. called Teacher Evolution.Tuesday, June 20th, 2000:MATHguide received a prestigious award from scientium.com called The Dr. Matrix Award for Scientific Excellence.Thursday, April 27th, 2000:We opened a new section for those of you who have been asking us about MATHguide. CLICK HERE to view it. Also, we hope that more people will join our efforts to make MATHguide a bigger success.Wednesday, April 26th, 2000:Due to unpopular demand, a list of professional organizations related to mathematics has been created.Tuesday, April 25th, 2000:After attending the NCTM conference in Chicago a few weeks ago, we were inspired to design our projects section. Now, math teachers can gain some ideas on how to suppliment their courses with projects.Thursday, March 23rd, 2000:A new section has opened up: Math News. We will use the section to inform you of important math-related issues and events.Thursday, March 16th, 2000:Part of the lessons section was updated. Lessons for solving three different types of equations were added: two-step, three-step-type1 and three-step-type2 were added. These lessons compliment the pre-existing quizmasters and as usual, these services are free. Happy learning! Saturday, February 12th, 2000:Stubborn Solution was added to the puzzles section and it should prove to be a challenging brainteaser. Friday, December 31st, 1999:Right before New Year's Eve, quizmasters for solving quadratic equations and factoring quadratic polynomials were added to the lessons section.Thursday, December 30th, 1999:FOUR more quizmasters were added to the lessons section. Included in the mix are type 1 three-step equations, the Pythagorean Theorem (finding the hypotenuse or a leg), and solving systems of linear equations.There will be a quizmaster for solving quadratic equations, so check back soon.Tuesday, December 21st, 1999:A few of our very own brainteasers were added to the puzzles section. Enjoy!Saturday, December 4th, 1999:Many sections were (hopefully) fine-tuned to artistic perfection. Sunday, November 28th, 1999:An error was corrected within the division quizmaster: division by zero! It no longer allows for it.Sunday, October 31st, 1999:MATHguide has added materials (books, films and games) than can assist those who are looking for educational tools.Saturday, October 30th, 1999:A new section has been opened: puzzles. Expect links to excellent puzzle sites as well as our own math-related puzzles. We also added a graphic to our frontpage.Monday, August 23rd, 1999:Our lessons page is in the process of being built. We have three quizmasters that are operational. Check it out for yourself!Tuesday, August 17th, 1999:We are continuing to make adjustments and create new pages. Until major changes are made, we will hold all reports.Monday, August 16th, 1999:This site is in a developmental stage. Please excuse the debris.We plan to have many interactive quizmasters to handle a variety of mathematical topics. We will also be offering a wide range of services and materials. Check back soon.Tuesday, August 10th, 1999:The domain name MATHguide.com was purchased.