Classroom Mathematics

Algebra and geometry have always been staples of high school mathematics, but more students are also taking probability and calculus. Even the best students sometimes need a little help or clarification of difficult math concepts. Fortunately, the Internet provides a lot of resources for homework help. Teachers can also benefit from fresh lesson plan ideas and tools for the classroom. The following sites provide both teachers and students with activities and aids for understanding all kinds of math.

Algebra

Math Exercises: A site with exercises that allows students to check their work with the computer
College Algebra: A college algebra site that covers high school algebra under its pre-requisites section
Purple Math: Gives explanations, definitions, and examples problems
Algebra Class: A website that provides lessons on concepts in algebra
The Math Page: An algebra site with sample questions that can be checked on screen
AlgeBasics: Algebra video tutorials
Video Tutors: Videos featuring individual algebra concepts
The History of Algebra: The history of algebra all over the world
Fun with Calendars: An algebra game to play
Algebra Jeopardy: An algebra Jeopardy game online
Index for Algebra: Definitions for math words
Alge2Caching: A game for advanced algebra
Study Guide for Algebraic Expressions: A guide for evaluating problems and solving order

Calculus

Karl's Calculus Tutor: A site explaining calculus concepts
Visual Calculus: A collection of modules in calculus
Animated Calculus: Graphics for calculus
Calculus Corner: Resources for understanding calculus
A Calculus Calculator: Differentiate and evaluate
The Changing Face of Calculus: An article with recommendations students taking calculus in high school
Are You Ready for Calculus?: A test that reviews pre-calculus concepts
How to Succeed in AP Calculus: Tips on taking a calculus course
Special Plane Curves: A visual dictionary of special plane curves
Surfin' Sinefeld: Animated calculus activities

Geometry

Geometry Manipulatives: Interactive manipulatives online
Interactive Geometry: An interactive site that allows you to manipulate and transform geometric shapes
Escher's Galleries: Find geometric concepts in Escher’s artwork.
Origami and Math: Explore geometry through the ancient art of paperfolding.
Geometry Worksheets: Printable worksheets to practice geometric concepts
Go Geometry: Geometry help for high school students
Conjectures in Geometry: An educational website for high school geometry students
Angling into Architecture: One class of students shows the real world applications of geometry
Euclid's Elements: An interactive java applet that allows you to manipulate figures
Fibonacci Webquest: Using the arts to explore the facets of the Fibonacci Sequence
Tessellations: A definition of tessellations and links to interactive sites and manipulatives
Virtual Polyhedra: An encyclopedia of polyhedra
Native American Geometry: Exploring natural shapes
Euler's Theorem: Geometry interactives that help teach about polyhedra properties
Pascal's Theorem: A diagram and detailed explanation of Pascal’s Theorem

Probability

Interactive Math: A site with interactive lessons and quizzes
Interactive Probability: Online probability games
Introduction to Probability: Basic concepts in probability
Online Stat Book: Real world case studies involving statistics and probability
Definitions: A glossary of terms related to probability and statistics
Percent and Probability: A review/introduction to basic concepts
Probability Problems: Probability problems to explore
Probability Activities: Probability activities that analyze different concepts
The Probability Web: A collection of probability resources around the Internet
Virtual Laboratories in Probability and Statistics: Descriptions and explanations of various probability topics

General Math

Math TV: Video math lessons
Math Problem Solver: A program that provides the answer for math questions
Math Helper: Free homework helpers, tutors, and lessons in Algebra and Geometry
Word Problems: Practice word problems and answers
Unit Conversion Calculator: Online weights and measurements conversion
Metric System Quiz: Online quiz matching US and Metric systems
Math Reference Tables: Reference for different math categories
Online Graphing Calculators: Basic to advanced graphing calculators
High School Ace: Links to homework help in high school mathematics
Math Facts and Common Mistakes: Things all students should know about math

Teaching Resources

Algebra 2 Lesson Plans: Free lesson plans in PDF form
Lesson Plans for Math: Plans for various math activities and projects
Library of Virtual Manipulatives: Online manipulatives for math lessons
Make Your Own Manipulatives: A site that allows you to download patterns to make your own flashcards and shapes
Test and Worksheets: Free tests and worksheet generators for teachers
Algebra Online: Games, quizzes, and other resources for teaching math
Puzzlemaker: An online puzzle generator
Geometry Resources: Lots of games and resources
edHelper: Games, worksheets and other printables for high school algebra and geometry
National Council of Teachers of Mathematics: A resource with lesson plans and tips for math teachers
Black Kingdoms of the Nile: Lesson plan on geometry and spatial sense
Geometry and Quilts: Teaching high school geometry through quilt patterns
The Geometry Junkyard: Links to lesson plans and teaching materials
Problems with a Point: Resources that help teachers plan lessons that build on previously learned skills

Classroom Mathematics

Recommended Articles