Math by Subject
K12 Topics
algebra
arithmetic
calculus
discrete math
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Arithmetic Problems & Puzzles
This list contains what we feel are some of the best sites for
arithmetic problems and puzzles. For a more exhaustive list, or to find
materials that fit your specific needs, search or browse
Arithmetic/Early Math
or Problems
and Puzzles in the Forum's Internet Mathematics Library.
 The ABACUS International Math Challenge
 Tivadar Divéki, Grace Church School

The ABACUS International Math Challenge is open to students in three categories (grades 34/ages 910; 56/ages 1112; 78/ages 1314), with 8
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 A+ Math

A site developed to help elementary school students improve their math skills interactively, offering: educational math games (learn basic operations
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 Aritm
 Mikael Bonnier

A Java applet for simple mental calculation, drilling on basic arithmetic (addition, subtraction, multiplication, or division, with 1 or 2digit
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 BEATCALC Archive
 Math Forum

An archive of B. Clay's BEATCALC weekly mailing list. Amaze your friends by memorizing a few simple rules and doing mental math tricks faster than
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 Bricks Activity
 Suzanne Alejandre

A classroom activity (also called the Masonry Problem; a variation on polyominoes) aligned to the NCTM and California Standards, to be explored
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 Elementary Problem of the Week
 Math Forum

A project designed to challenge elementary students with nonroutine problems and to encourage them to verbalize their solutions. From 1995 to 2002,
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 Fibonacci Numbers and the Golden Section
 Ron Knott

Information about the Fibonacci series, including a brief biography of Fibonacci, the numerical properties of the series, and the ways it is
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 Flash Cards for Kids
 Donovan Follette

Currently, Flash Cards (shareware for Windows) supports addition, subtraction, and multiplication. The addition facts are enabled in the download
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 Interactive Mathematics Miscellany and Puzzles
 Alexander Bogomolny

"The peculiar beauty of Mathematics lies in deduction, in the dependency of one fact upon another. The less expected a dependency is, the simpler the
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 K12 Teaching Materials (Mathematics Archives)
 University of Tennessee, Knoxville (UTK)

An extensive list of Internet sites with significant collections of materials that can be used in the teaching of mathematics at the K12 level.
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 Kids' Place Brain Teasers
 Houghton Mifflin Company

Math puzzles for grades 34, 56, and 7+. You don't need to be a math whiz to solve them, just to be patient and find different ways of looking at
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 Locker Problem
 Suzanne Alejandre

A classroom activity (also called 1000 Lockers) aligned to the NCTM and California Standards, to be explored through the use of manipulatives and a
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 Magic Squares: Math, History, Geography
 Suzanne Alejandre

Designed primarily for middle school and older elementary school students, this Math Forum Web unit includes classroom activities for four different
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 Mathematical Games and Recreations
 MacTutor Math History Archives

Number games, geometrical puzzles, network problems and combinatorial problems by famous mathematicians, starting around 1850 B.C. and continuing on
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 Math for Morons Like Us
 ThinkQuest 1998

Students talk to students about math: a site designed to help you understand math concepts better. Tutorials, sample problems, and quizzes for
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 Monthly Themes
 NRICH Maths, Univ. of Cambridge

Past problems from the NRICH Online Maths Club, archived by month. Each problem has a symbol indicating the stage, which tells you how little or how
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 Problem Solving in Mathematics
 Jim Wilson; Univ. of Georgia

Problems in algebra, geometry, conversion, cryptarithm, "mean," trigonometry, and a mixture of all, many with comments and solutions, from a course
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 Traffic Jam Activity
 Suzanne Alejandre

A classroom activity (also called Hop, Skip, Jump) aligned to the NCTM and California Standards, to be explored through large movement experience,
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 The Twelve Days of Christmas and Pascal's Triangle
 Judy Brown, DIMACS and The Math Forum

A lesson in which, using Pascal's triangle, students find the number of items given each day in the song, "The 12 Days of Christmas."
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 The Twelve Days of Christmas
 Judy Brown, DIMACS and The Math Forum

A lesson in which students find the number of items given each day in the song, "The 12 Days of Christmas." This project is designed to be used as a
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 The World of Trotter Math
 Terry Trotter, Escuela Americana, San Salvador, El Salvador

A page of problems, problem sheets, and investigations, with links to image files of an inclass math newsletter, Trotter Math News. Of particular
... more>>
 For more, search or browse
Arithmetic/Early Math
or Problems
and Puzzles in the Forum's Internet Mathematics Library.
