Research > Homework Center > Mathematics

Mathematics

Megasites
Algebra
Precalculus & calculus
Fractions & decimals
Geometry
Mathematician biographies
Problem solving
Puzzles, quizzes and flashcards
Unit conversions

Megasites

The Abacus: http://www.ee.ryerson.ca:8080/~elf/abacus/

Construction and anatomy of an abacus. Basics of how an abacus works.
Ask Dr. Math: Elementary School Archive: http://mathforum.org/library/drmath/drmath.elem.html

Answers to lots of elementary math questions.
Ask Dr. Math: High School Archive: http://mathforum.org/library/drmath/drmath.high.html

Answers to lots of high school math questions.
Ask Dr. Math: Middle School Archive: http://mathforum.org/library/drmath/drmath.middle.html

Answers to lots of middle school math questions.
Calculating Machines: http://www.webcom.com/calc/

From an 1885 adding machine and an abacus to history of the machines from 1623 to 1970.
Interactive Mathematics Miscellany and Puzzles: http://www.cut-the-knot.org/content.shtml

Interactive activities from all areas of math.
Interactive Mathematics Online: http://library.thinkquest.org/2647/

This website is great for helping in high school math, especially in geometry.
Math League Help Topics: http://www.mathleague.com/help/help.htm

This is a help resource for 4th through 8th grades.
Mathematics Lessons: http://math.rice.edu/~lanius/Lessons/

Alegbra, geometry, fractions, and more.
MegaMathmematics!: http://www.cs.uidaho.edu/~casey931/mega-math/menu.html

Games on graphs, algorithms, infinity and more.
Plane Math: http://www.planemath.com/planemathmain.html

Math activities for elementary level learners and educators using airplanes as a theme.
The Proof: http://www.pbs.org/wgbh/nova/proof/

"For over 350 years, some of the greatest minds of science struggled to prove what was known as Fermat's Last Theorem -- the idea that a certain simple equation had no solutions. Now hear from the man who spent seven years of his life cracking the problem, read the intriguing story of an 18th century woman mathematician who hid her identity in order to work on Fermat's Last Theorem, and demonstrate that a related equation, the Pythagorean Theorem, is true."
Topology Games: http://www.northnet.org/weeks/

Interactive games to learn topology.

Algebra

Algebra: Fun With Calendars: http://math.rice.edu/~lanius/Lessons/calen.html

Math tricks to amaze your friends and family!
Ask Dr. Math: High School Basic Algebra: http://mathforum.org/library/drmath/sets/high_algebra.html

Frequently asked questions about high school algebra answered here.
Introduction to Algebra: http://www.mathleague.com/help/algebra/algebra.htm

Clearly-written definitions and easy-to-understand Algebra examples.
Ask Dr. Math: Middle School Algebra: http://mathforum.org/library/drmath/sets/mid_algebra.html

Frequently asked questions about middle school algebra answered here.
Origins of Algebra: http://vmoc.museophile.com/algebra/section3_1.html

This text-based website explains the history and origins of algebra.

Fractions & decimals

Ask Dr. Math: Elementary Fractions and Decimals: http://mathforum.org/library/drmath/sets/elem_fractions.html

Read the answers to questions about fractions and decimals, or send in your own question!
Decimals, Whole Numbers, and Exponents: http://www.mathleague.com/help/decwholeexp/decwholeexp.htm

This website defines words and shows how to work with decimal numbers.
Fraction to Decimal Conversion Tables: http://math2.org/math/general/arithmetic/fradec.htm

Use this chart to convert fractions into decimals.
Fractions: http://www.mathleague.com/help/fractions/fractions.htm

Lots of help with fractions! This website shows how to add, subtract, multiply and divide fractions, as well as convert and reduce fractions.

Geometry

Flashcard: http://www.aplusmath.com/cgi-bin/flashcards/geoflash

Flashcards for geometry online.
Gallery of Interactive Geometry: http://www.geom.uiuc.edu/apps/gallery.html

Define curves of a plane, build a rainbow, and more.
Introduction to Geometry: http://library.thinkquest.org/2609/

Learn geometry from four basic lessons provided at this website then take a final quiz to test your knowledge.

Precalculus and Calculus

Calculus on the Web: http://cow.math.temple.edu/~cow/cgi-bin/manager

Click on a book and solve sample problems
Cool Math: http://www.coolmath.com/limit1.htm

This detailed website about limits begins with the very basics. Contains many examples and lots of graphs.
CyberCalc: http://www.npac.syr.edu/REU/reu94/williams/calc-index.html

This website begins with review of topics needed to do beginning calculus, then continues with sections on limits and continuity and derivatives
Harvey Mudd College: http://www.math.hmc.edu/calculus/tutorials/

This online math tutorial, including precalculus and calculus, highlights common mistakes.
Precalculus Problems Web site: http://www.math.ucdavis.edu/~marx/precalculus.html

Precalculus problems and solutions from UC Davis

Problem solving

21st Century Problem solving: http://www.hawaii.edu/suremath/

A website for students, teachers and parents about algebra, problem solving, physics, chemistry and more with detailed problems and examples provided.
Word Problems for Kids: http://www.stfx.ca/special/mathproblems/welcome.html

By Canada's SchoolNet, this website breaks down word problems for grades 5 to 12.

Puzzles, quizzes and flashcards

AIMS Puzzle Corner: http://www.aimsedu.org/Puzzle/

12 fun math puzzles a year including printable worksheets. 1995 to the present.
Brain Teasers: http://www.eduplace.com/math/brain/

Brain teasers for grades 3 through 7+.
Flashcard: http://www.aplusmath.com/cgi-bin/flashcards/geoflash

Flashcards for geometry online.
Flashcards for Kids: http://82.165.229.218/index.php

Online flashcards for kids.
Mathematics Center: http://www.eduplace.com/math/

Math problems for kids 3rd grade and up which include brain teasers, games and other math resources caregorized by grade levels.
MathMagic on the Web: http://mathforum.org/mathmagic/

Try to solve weekly math problems on the Web.
Stanley Park Chase: http://schoolcentral.com/willoughby5/default.htm

Great interactive and visual website to practice basic multiplication while following a story.
Tower of Hanoi: http://www.cut-the-knot.org/recurrence/hanoi.shtml

Learn how to solve the tower of hanoi puzzle.
Victoria Search: http://schoolcentral.com/necklace/vic1.htm

An interactive website to practice basic division while reading a story.

Unit conversions

Bagatrix Conversion Tables: http://www.bagatrix.com/conversions.htm

This handy website converts temperature, distance, weight, liquid, and binary/decimal/hexadecimal measures
Common Equivalent Weights and Measures: http://www.cchem.berkeley.edu/ChemResources/Weights-n-Measures/weights-n-measures.html

A comprehensive list of units along with their metric and US equivalents.
A Dictionary of Units: http://www.ex.ac.uk/cimt/dictunit/dictunit.htm

This provides a summary of most of the units of measurement to be found in use around the world today.
Interactive Units Converter: http://www.convert-me.com/en/

Conversion tables.