This site from the Drexel University explains the principles of factoring symbolically using algebra tiles.

A basic, illustrated description of the math system developed by the Mayans. Includes a paragraph comparing the Mayan system favorably with the Roman numeral system of the same time.

The learning activity examines squares and square roots. Topics include perfect squares, how to square a number, and the square root symbol. The resource consists of explanations and examples.

In this lesson on solving equations and inequalities, students explore the solving equations and inequalities are the same and different by exploring the effects of negative numbers and using inverse operations when solving side by side.

The Quadratic Transformer was developed to support the learning of quadratic functions, and in particular to help you understand the connections between symbolic and graphic representations. Indirectly, it also helps you connect either...

In this instructional activity students create and post a chart of the cuneiform symbols for numerals and create their own charts. Then students use the cuneiform numerals to answer questions.

Beginning with understanding the less than and greater than symbols, this lesson will take you step by step through solving systems of inequalities. There are very good problems to use as examples.

The distributive property of multiplication over addition allows us to eliminate the grouping symbol, usually in the form of parenthesis. Illustrates the basic pattern or formula and how to apply it.

This App helps students learn and practice problem-solving strategies by providing transformations for various types of computational problems. Simplify expressions solving equations, compute derivatives, and more.

Students will try to determine a pattern for expanding binomials by using the expand command. Students will then make a conjecture about the expansion of a more complex pair of binomials. Students will then use SMG to take a closer look...

Learn how to find the root of a number. Topics covered include two roots, roots of negative numbers, and imaginary numbers. This site offers descriptions along with multiple examples.

Learn about radicals with this reference guide. Detailed explanations and examples are given.

Learn about congruent angles with this handy reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

Page briefly discusses transposition, which is "an exchange of two elements of an ordered list with all others staying the same." Provides a definition, examples, and a bibliography.

Did you learn to calculate using a 7-foot-long slide rule? Did you learn about the properties of numbers using brightly colored Cuisenaire rods? Ever wonder who invented the graph paper you used in geometry class? Go back to the...

Explains the basic terminology and notation of sequences and series, including summation symbols, subscripts, and indices.

Students learn about art and mathematics. Topics include the golden ratio, platonic solids, and number symbolism. The learning resource includes a description, requirements, syllabus, and bibliography.

This picture shows the arithmetic symbols for addition, subtraction, division and multiplication.

This picture shows the infinity symbol. It is believed to have been introduced by an English mathematician named John Wallis in 1655.

A minus symbol inside a circular glossy icon.

Provides a complete look at the mathematical summation sign. Examples of how to interpret and use the sign are presented as needed.

This site has a very basic definition of the radical symbol.

In response to a student question regarding the reversing of the inequality symbol, a method is presented in how one can avoid reversing the symbol.

This tutorial teaches you to dentify the basic parts and symbols for fractions and gives some practice doing this.