Venomous mammal caught on camera

Rare footage of one of the world's most strange and elusive mammals is captured by scientists.

news.bbc.co.uk

Canadians claim South Pole record

A trio of Canadians claim a new record for the fastest trek across Antarctica to the South Pole.

news.bbc.co.uk

Mummy of female pharaoh uncovered

Egyptologists find remains of a mummy thought to belong to a queen who ruled 4,300 years ago, Egypt's antiquities chief announced.

news.bbc.co.uk

A deep-sea fish caught in the Pacific has mirrors for eyes

A deep-sea fish caught in the Pacific has eyes which use mirrors as well as lenses, scientists discover.

news.bbc.co.uk

Beagle hunter

On a mission to find the most famous ship of science

news.bbc.co.uk

Baby Jupiter's huge weight gain

The planet Jupiter must have gained mass fast during its infancy, according to astronomers.

news.bbc.co.uk

US vows 'huge' marine protection

The US is to establish "the largest area of protected sea in the world", banning fishing and mining, around its Pacific islands.

news.bbc.co.uk

Tech fair offers greener vision

Analysts at the Consumer Electronics Show say green credentials of tech products will become critical to success.

news.bbc.co.uk

Mosquitoes make sweet love music

Sexy songs sung by mosquitoes in courtship could be key to curbing the spread of dengue fever, say scientists.

news.bbc.co.uk

Body repair 'could be ramped up'

A combination of drugs could trick the body into sending its repair mechanisms into overdrive, say scientists.

news.bbc.co.uk

Animal matters

Scotland's debate over tests on primates

news.bbc.co.uk

Poetry or science?

Is romantic love just a chemical cocktail?

news.bbc.co.uk

Our writers talk back

Some of the previous contributors to the Green Room respond to readers' questions and comments.

news.bbc.co.uk

'Wolfman' returns

Explorer Jim McNeill tracks down Arctic wolves

news.bbc.co.uk

Holes give edge to new armour

Scientists from the UK Ministry of Defence (MoD) have devised ultra-hard vehicle armour to protect military personnel.

news.bbc.co.uk

Eat it or lose it - why centuries of crop diversity are at risk

Centuries of crop diversity are at risk of being lost forever as farmers turn to just a few modern, high yielding varieties.

news.bbc.co.uk

Black holes 'preceded galaxies'

Astronomers believe they have solved a cosmic chicken-and-egg question: what came first - black holes or galaxies?

news.bbc.co.uk

Panda bites his third tourist in two years at Beijing zoo

A panda at Beijing zoo bites a man for the third time in two years.

news.bbc.co.uk

Earth Watch

Why it is hard to predict sudden environmental crises

news.bbc.co.uk

Everest trip helps critically ill

Blood oxygen levels recorded on a trip by medics to Everest could help the treatment of critically ill patients.

news.bbc.co.uk

Zimbabwe troops 'eat elephants'

A Zimbabwean wildlife campaigner tells the BBC that soldiers are being given elephant meat to eat, as the economic crisis deepens.

news.bbc.co.uk

China alert over bird flu death

Chinese authorities shut down and clean poultry markets in Hebei province, after the first human death in nearly a year.

news.bbc.co.uk

First flight of algae-fuelled jet

Continental Airlines is the latest to test fly a jet biofuel, this time with a product derived partially from algae.

news.bbc.co.uk

Feilden's blog

Ground-breaking new technique in stem cell science

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Heat may spark world food crisis

Half the world's population could face food crisis by 2100 as soaring temperatures cripple staple crops, scientists warn.

news.bbc.co.uk

 Science > Math > Algebra > Basic Algebra

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Science > Math > Algebra > Basic Algebra

Basic Algebra:

Algebra - Mathematical Abstraction from Concrete Experience

An explanation of how the Montessori student learns algebra while interacting with manipulatives, physical objects, represented by expressions incorporating the numerals and variables of mathematics.

http://www.newbanner.com/CEL/Math/algebra2.htm

Algebra - One On One

An educational game for those wanting a fun way to learn and practice algebra.

http://www.sheppardsoftware.com/algebra1.htm

Algebra Homework Help, Online Solvers

Interactive homework problems. Topics include Pre-Algebra, linear Algebra and other college Algebra.

http://www.algebra.com/

Graand

Free Classified Ads Portal

www.graand.com

Algebra Is Arithmetic Backwards

A personal view of algebra and its relationship to economics.

http://members.fortunecity.com/jonhays/algfront.htm

Algebra Lessons

Introduction to basic concepts of algebra: the lesson, an assignment, answer key.

http://www.lessontutor.com/ltalgebra9home.html

Algebra Notes

Includes common algebra rules and formulas for a quick reference.

http://www.wtv-zone.com/Angelaruth49/Algebra.html

Algebra Online Learning Sites

Algebra and math site links in a table to help you find various math subjects from algebra to calculus, algebra games to quizzes.

http://jessicamath.tripod.com/

Algebra Review in Ten Lessons

Review of (high school) algebra. Acrobat Reader required.

http://www.math.uakron.edu/~dpstory/mpt_home.html

Algebra Story Problems

A collection of simple Word Problems illustrating concept-based problem solving.

http://www.hawaii.edu/suremath/intro_algebra.html

Basic Algebra

Review test questions with answers. Covers order of operations, evaluating equations, simplifying fractions, formulas with square roots, inequalities simultaneous equations, solving quadratic functions.

http://www.math.unt.edu/mathlab/emathlab/Review%20Test%20(College%20Algebra).htm

Eck - way - tions

Covers linear, quadratic, simultaneous, cubic and X^X equations.

http://members.lycos.co.uk/kgsfs/

Fundamental Theorem of Arithmetic

Article in the Platonic Realms.

http://www.mathacademy.com/pr/prime/articles/fta/

IB Math Studies: Functions 1

Site on Functions and Relations from the IB Mathematical Studies textbook.

http://www.angelfire.com/va2/benavage/index.html

Irrationality of the Square Root of Two

Presents the classical proof, together with a shorter one due to Richard Palais of Brandeis University.

http://www.mathacademy.com/pr/prime/articles/irr2/

MathDork - Math, Algebra interactive turtorials

Unique learning experience using animation to make math more intuitive and fun. Animated images, sounds create a visually appealing experience that draws the student into the material.

http://www.mathdork.com/

Mathematical Induction

Explains the process of making and proving conjectures about the behavior of equations that a repetitive trait, such as summation formulas. Includes the rules for a valid induction and some examples.

http://www.cut-the-knot.org/induction.shtml

Miss Lindquist: The Online Algebra Tutor for Word Problems

An intelligent tutoring system funded through a grant from the National Science Foundation to build software that is more like human tutors. This program will tutor students presenting them with progressivly harder problems and will help me when needed.

http://www.cs.cmu.edu/~neil/

Paul's Online Math Tutorial and Notes - Algebra

Tutorial explains how to work with exponents, radical expressions, solving equations, inequalities, functions and graphing. Includes practice exercises and formula lists.

http://tutorial.math.lamar.edu/AllBrowsers/1314/1314.asp

Purplemath

Includes illustrated tutorials, categorized links, homework guidelines, and a study skills survey.

http://www.purplemath.com/

Quadratic Equation Solver

Solves a quadratic equation in standard form to obtain real and complex roots.

http://jblanco_60.tripod.com/

Shannon's Beginning Algebra Page

Topics covered include the order of operations, equations, exponents, polynomials, factoring, fractions, rational expressions, and radicals. Also, has practice quizzes.

http://home.sprynet.com/~smyrl/MAIN.HTM

Solving Story Problems

Article in the Platonic Realms.

http://www.mathacademy.com/pr/prime/articles/storprob/

Speed Math

Introduction to the system of math discovered by Jakov Trachtenberg. Basic formulae are presented along with background and proofs.

http://www.geocities.com/CapeCanaveral/Hangar/8802/speedmath.html

Stroh MathPage

Organized, easy to understand, help with math, specifically algebra

http://www.homestead.com/stroh/mathpage.html

Theorem of Pythagoras

Gives a geometric proof of the rule for measuring the sides of a right triangle.

http://www.alphaquark.com/Traduction/Pythagore.htm

WebMath

A set of tutorials on various topics in introductory mathematics, as well as free software.

http://www.webmath.com

West Texas A&M University - Beginning Algebra

Learn about the "language" of math, sets, fractions, variables and simplifying formulas, using graphs, inequalities and study tips.

http://www.wtamu.edu/academic/anns/mps/math/mathlab/beg_algebra/index.htm