K-12 Basics

How to Calculate the Perimeter of a Polygon

By eHow Education Editor

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Calculating the perimeter of a polygon (a closed plane figure bound by straight lines) is very easy. If you can calculate the distance between 2 points, you can find the perimeter of a polygon--or any two-dimensional shape. Just follow these ... more »

How to Calculate the Volume of a Cone

By eHow Education Editor

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A cone is a three-dimensional shape that has 2 faces, 1 base, 1 vertex and 1 edge. The formula for the volume of a cone can be determined from the volume formula for a cylinder--in fact, you follow the exact same formula, and then you divide your ... more »

How to Change a Fraction Into a Decimal

By eHow Education Editor

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Math is the methodology of numbers, symbols and measurements using defined properties and relationships to sets and quantities to attain the unsolved or desired results. Math is incorporated into day to day living. Math is used constantly in ... more »

How to Compute Sine, Cosine and Tangent

By eHow Education Editor

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Before he would cosine the loan, the tan gent asked the bank officer her sine... more »

How to Convert Temperature Measurements

By eHow Education Editor

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Several different temperature scales exist - the Celsius scale sets freezing and boiling points of water at 0 and 100, respectively, while the Fahrenheit scale sets them at 32 and 212. Here's how to convert between the two types... more »

How to Create a Book Review Assignment Mind Map

By eHow Education Editor

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Help your students tackle book reviews by creating a Book Review Assignment Mind Map. The map serves as an effective tool that helps students mentally note specific information before they read. It also aids them in dividing the entire book into ... more »

How to Create a School Newspaper in Elementary School

By eHow Education Editor

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Keep students, teachers and parents up to date on academic and extracurricular activities by starting a newspaper for your elementary school. The endeavor is not only informative and engaging, but can also teach the reporters, editors and ... more »

How to Create a Slideshow in iPhoto

By Kurt Schwengel

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Did you know you are just a few clicks of the mouse away from creating a fantastic looking slideshow for open house or any other time that you want to display your class pictures or any other JPEGs you have on your computer? It's quick and easy! ... more »

How to Deal With a Difficult School Schedule

By eHow Education Editor

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Balancing a full course load of difficult classes, piles of homework and extracurricular activities is enough to make anyone's head spin. The following steps will help you to manage your time better and crack down on your study habits so that you ... more »

How to deal with a difficult teacher

By Countrymom

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We have all had at least one in our life time, a difficult teacher that is. So how does a parent know when it is truly the teacher being difficult and not your own child? Here are a few ways to tell... more »

How to Divide Using the British Method

By eHow Education Editor

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Students who have learned the method of long division taught in most American schools (algorithmic method) might be surprised to learn that the British have found a much better way to divide. Called the British, or double division, it's a method ... more »

How to Do Algebra

By eHow Education Editor

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Algebra is defined as "a branch of mathematics concerning the study of structure, relation and quantity." For many students, algebra is the foreign language of math, rife with equations. The use of letters instead of numbers that demand to be ... more »

How to Do Long Multiplication

By eHow Education Editor

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With the advent of calculators not too many care about doing long multiplication. However, if your calculator dies and you need to multiply figures, you could be in a fix. Fortunately, picking up this skill is easy... more »

How to Do Trigonometry

By eHow Education Editor

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“Sine, sine, tangent and cosine. Learning trigonometry’s breaking my mind.” “Trigonometry” comes from the Greek for “3-sided measure” and is the branch of mathematics dedicated to the relationships between sides and angles of a right triangle. ... more »

How to drop out of school

By Neil Gross

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Don't like school or people there or maybe you don't like you're Mom, just drop out!.. more »

How to Equip a Homework Area for Your Child

By eHow Education Editor

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Homework is boring, agreed; but it has to be done. As a parent, you can’t change the homework, but you can change the way it is done. Start by working on the homework area of your child. A well equipped homework area not only fosters the ... more »

How to Explain Photosynthesis

By eHow Education Editor

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Green plants make their own food through a process called photosynthesis. It's a process that uses the sun's energy to process other materials into sugars that are usable to the plant. Here's how to explain what photosynthesis is and how it works. .. more »

How to FACTOR a QUADRATIC TRINOMIAL, by using the QUADRATIC FORMULA.

By Z-MATH

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There are many Techniques to factor a QUADRATIC TRINOMIAL. " Trial and Error ", is one of the many techniques, that works well with those QUADRATIC TRINOMIALS whose constant coefficients, A, B and C are nice. This Article will show a ... more »

How to Factor by Grouping in Algebra

By eHow Education Editor

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One of the methods of factoring polynomials is to factor by grouping. This method is a basic algebra technique used when other simpler special formulas such as factoring the difference of two cubes or factoring perfect squares do not work... more »

How to Factor Polynomials

By David Lessem

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Algebra can be quite a challenge when you are first learning it, but it is also where math starts to get interesting. Factoring polynomials can be a challenge at first, but it can also be a lot of fun... more »

How to Factor the Sum of Two Cubes

By eHow Education Editor

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All kinds of formulas and equations are used in algebra. Factoring the sum of two cubes is one of a number of special formulas. Math builds on itself and factoring is one of the basic skills of algebra that every math student needs to master for ... more »

How to Find Information About Selangor, Malaysia

By eHow Education Editor

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The state of Selangor Malaysia is the most developed of the 13 states in Malaysia. It is located on the West coast of the Malay peninsula and is considered a gateway to Malaysia. It is described as industry based, but still offers places to visit ... more »

How to Find Resources for Gifted Children

By eHow Education Editor

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Some children are very intelligent and are considered gifted. Others are extremely intelligent but are not considered gifted because of their IQ scores. Regardless of your child's status, he is worthy of getting the education that he deserves. ... more »

How to Find the Number of Neutrons in an Atom

By eHow Education Editor

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The atomic number is the number of protons in an atom, and the number of electrons in an atom equals the number of protons. Finding the number of neutrons requires a bit of math. Here's a quick guide to finding the number of neutrons in an atom... more »

How to Find the SQUARE ROOT of ANY POSITIVE REAL NUMBER without the use of a CALCULATOR !!! ( PART 2 ).

By Z-MATH

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" LOOK MOM, NO CALCULATOR !!! " There are many different Techniques on how to find the Square Root of any positive REAL NUMBER, this Article will show an interesting Algorithm to find the SQUARE ROOT OF ANY POSITIVE REAL NUMBER without ... more »

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