500-599 Natural Science >> Mathematics >> Patterning and Algebra

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Patterning

Number Cracker - Help Mr. Cracker obtain the secret code before the insidious Prof. Soup catches him by guessing what number comes next in a series of numbers.

Colour patterns - Complete the pattern of coloured beads.

Rectangle pattern challenge - A patterning challenge for older kids.

Sieve of Eratosthenes - This virtual manipulative displays a grid containing numbers from 1 to 200. You can use it to explore patterns and relationships involving multiples.

Algebra

Aplusmath.com Worksheets - Create printable worksheets of basic algebra problems

Introduction to Algebra - Explanations and examples from the Math League.

Aplusmath.com's Flashcards - Non-java flashcards of basic algebra problems.