National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: High School Basic Algebra Review
An overview of basic high school algebra topics can be found here. Absolute value, signed numbers, inequalities and equations, mixture problems, and direct and indirect variation are all listed, each with links to questions posed by...
Doina Popovici
Math Play: Adding Integers Game
An online game where students add integers and identify whether the answer of the problem is positive, negative, or zero.
University of Cambridge
University of Cambridge: Nrich: What Are You Plotting?
This one page website is for practicing graphing ordered pairs. It lets you know right away if your choice is incorrect. At the bottom of the page their is a challenge with the solution just a click away.
PBS
Pbs: Logical Leaps: Adding Rational Numbers on the Number Line
In this interactive, use logic to solve riddles involving a wallaby jumping contest. Add two consecutive jumps and place them on a number line, finding equivalent fractions and common denominators to do so. Backward jumps represent...
Math Open Reference
Math Open Reference: Number
Resource defines numbers into two main categories, counting numbers and scalars. It also gives examples of number notation.
Khan Academy
Khan Academy: Distance Between Points: Vertical or Horizontal
Practice finding the distance between two points on the coordinate plane that share the same x- or y-coordinate. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
University of Cambridge
University of Cambridge: Nrich: Coordinate Tan
Enter the World of Tan. The solutions to these challenges are located right on the website.
University of Cambridge
University of Cambridge: Nrich: Coordinate Cunning
Play this game for two and learn how to graph ordered pairs on the coordinate plane at this one page website. You will know right away if you have the correct coordinates.