National Library of Manipulatives
Geogrebra—awesome software, similar to geometer’s sketchpad but with algebra.
Beginning to Intermediate grades.
Games, worksheets, flashcards (squareroots, +-x, geometry, time
Beginning to Intermediate grades, students can do a lesson, enter their name and print their results for the teacher
Ask Dr. Math: elementary through college-level math. Can’t find the answer on the site? Submit a question.
Puzzles, games, logic and illusions— warning: some are trick questions
Brain teaser of the week. Answer given the following week. Grades 3-8 (use clickers on this one with hints)
Flashcards, drills but a bit difficult to navigate—intermediate and elementary
Algebra and geometry problem solving
Fruit game—similar to the game used by Marilyn Burns, but in this one you want to get the last piece!
Good drill but watch the ads—don’t be lured in to click on one.
Harcourt math—grades K-8
Has lessons and then practice
Math in daily life game: casinos, saving, loans—high school
Elementary/intermediate story problems
Ages 3-12 math games
grades 1-3 free; rest is subscription only
tech challenge of the week
online math mentoring application for low income, high achieving math students
Want to participate in an online class for teachers of grades 3-5? Paid for by Microsoft
Learn about the stock market, investing, saving. Elementary through high school
Manuals/tutorials for calculators
Lesson plans—discovery education
Math websites page
middle school math project
Powerpoints, factor trees, decimal division, circle proofs
Math counts problem of the week
Links, including the history of math
more math links