A "one star" geometry problem that requires problems solving skills and exercises ones visual-spatial abilities. One may want to cut out the pieces to solve the problem as a puzzle.

Can you break the magic number code? Test your algebra aptitude in this challenge that explores number generalizations, symbols, and equations. Discover how algebraic procedures are used in everyday situations in this one page activity...

Given some clues the students are to find the possible solutions.

Students are to find different ways to make two line segments that touch seven pins. Materials needed include geoboards, rubber bands, geoboard paper and rulers.

In this video segment from Cyberchase, Wicked and Digit use what they know about fractions to figure out how many jewels are missing from the Amulet of Amagansett.

This site provides a great deal of information about whales.

At this one page web site see if you can solve this puzzle involving the edges of an octahedron. You will definitely need to use your problem solving and spatial reasoning skills for this!

Sharpen your logical thinking and see if you can figure out the strategy to get to the target number before the computer.

This one page website lets you practice plotting points on the coordinate grid. See if you can find the missing coordinates to complete the shapes. When you are finished the solutions are only a click away.

See if you can figure out which symbols are on which cube face at this one page website. The solution is just a click away once you have your solution in mind.

In this Cyberchase video, the Teleporter breaks and the CyberSquad must try to fix it using clues given to them by Ms. Fileshare. This is one in a series of two problem-solving videos. [3:49]

In this Cyberchase video segment, Bianca uses multiplication to help her adjust the recipe for popcorn balls.

In this video segment from Cyberchase, the CyberSquad tries to reach Ms. Fileshare by using a 3 x 3 matrix to figure out the various ways they can travel to her.

Help Santa figure out how many puzzles and books to leave for the children of this family. Once you figure it out you can check the solution.

The teacher will engage the class by reading Grandfather Tang. Students will solve a tangram puzzle. Students will find the fractional value for each piece of the tangram. Students will create a picture using the pieces of the tangram....

Sharpen your problem solving and strategy skills playing this interactive game, Fifteen. The rules are simple but the game requires some thinking if you want to beat the computer. There is a "Printable Page," link if you want to print it...

See if you can find the patterns on the staircase. Mr. Fibonacci would be so proud to know you found the solution. You can check your solution right at this nifty one-page website.

On this one page website sharpen your logic skills while working on this flower pot labels mix up challenge. The solution is available to double check your solution.

This interactive activity gives you an opportunity to explore a specific number pattern named the "Fibonacci sequence." See what other patterns you can discover while you manipulate the blocks. There is a "Printable Page" link if you...

Dolphin Dash is a multi-player game that allows students from anywhere in the world to compete against one another while practicing counting money!

This lesson plan is designed to guide students in practicing their basic arithmetic skills by learning about clock arithmetic and cryptography. Linked resources include helpful applets.

Basic information on the rainforests include a definition, the strata, the animals, their location, rainfall, temperature and importance. Content also includes animal printouts, quizzes, a puzzle, and math activities.

Use this website to practice division facts using a matching game format.