The intended purpose of this website is to have students review their knowledge in gathering and analyzing data, and using an Excel spreadsheet.

This website also includes an activity to help students get a better understanding of reading graphs and problem solving. It also helps students see mathematics in a real-world context.

This website includes an activity to help students have a better understanding of how to formulate questions and gather data to answer the questions.

This website provides discussions and visualization activities to help students become more familiar with the data analysis.

This website includes more detailed features of the motion detector, data collection demo, and DataMate screenshots. Students can get a better sense of the tool will be using in the lesson.

This website helps students get familiar with the motion detector. It includes instructions and an experiment where students practice with the motion detector.

The intended purpose of this website is to have students review their knowledge in organizing and representing data. Each part of the session includes problems that students can experiment with.

This site provides math worksheets that are designed to help students learn mathematics.

Aylin Márquez 14 September 2011 Overview: Superteacherworksheets.com provides a variety of mathematics; science and social studies; and reading and writing worksheets designed for teachers. The intended audience for the probability sheets is students from third to sixth grade. The site also provides teaching tools, fun activities, games, and downloadable electronic books. Content: The purpose of the site is informational. The content of this site is well organized and promotes interactivity between students. The intended audience for each internal links varies from pre-kindergarten to twelfth grade students. The internal and external links work properly and are related to the students' needs. The site offers sufficient information that is designed to improve teachers' teaching techniques. Even though the information seems current, the site does not provide the latest revision date. Design: The homepage downloads efficiently, is attractive and has strong eye appeal. The user can navigate around the site easily. The worksheets are downloadable PDF files. Some include instructions; some do not. Each graphic on the worksheets serves a clear purpose. Lists of links are well organized and easy to use.

Solve basic probability problems.

Aylin Márquez 14 September 2011 Overview: Stattrek.com provides a variety of statistics tools designed for mainly middle and high school students. One of the most useful tools is the probability calculator. It can only calculate the three basic rules of probability. However, this online calculator can still be a very useful tool for students who do not own a scientific calculator. The site also provides the explanation of probability notations that are used to calculate the probability of one event. Content: The basic content of the site can be determined easily. The purpose of this site is to be able to help students calculate their basic probability problems. The online calculator is easy to operate. The site provides an explanation of the rules of probability under the summary report title. The site also includes links to other sites that are designed to improve students' learning. There is no revision date on the site. However, the information seems current, and the calculator works properly. Design: The homepage downloads efficiently and is appealing. The user can navigate around the site easily. The directions on how to use the calculator are clear. If the user puts wrong data on the calculator and clicks on the calculate button, the site has an explanation to guide the user on how to correct his/her data input. The site has advertisements that appear to be appropriate and related to students' needs.

This website provides educational games, daily puzzles, word games, and math games.

Aylin Márquez 13 September 2011 Overview: The Problem Site.com provides educational games, daily puzzles, word, and math games designed for teachers and Pre-K-12th grade students. Reference and printables tabs provide a free educational source for teachers. The site provides mathematical problems from previous years with their solutions included that influence students' analytical thinking. Interactive games are also designed to improve students' memorization. Content: Although the basic content of the site is easily determined, the user needs to check internal links to determine the intended audience of the site. If the audience is young children, they may need adult assistance to navigate within the site since the site has advertisements that can be considered inappropriate (games, dating sites, and etc.). The site has an overview that explains how the site was started and what it is about. A contact person and address are also available for users to ask questions. Both the site overview and contact information are located at the bottom of the site. Overall, the purpose of the site is clear, and the information appears to be accurate. Design: The homepage is designed well and downloads efficiently. It is appealing for mainly high school students and teachers. The user is able to navigate easily. The internal links work properly and are helpful and appropriate. However, there are advertisements that may not be appropriate for young children. The graphics and animations serve a clear purpose. A list of links is well organized, clearly labeled, and easy to use. The site also includes a search area where users can look for other educational sources.

Aylin Márquez 13 September 2011 Overview: Math-Play.com provides a variety of games designed for mainly elementary and middle grades. The games are categorized based on the grade level, subject and type of games. The site has a list of games for teachers and students that is designed to improve students learning skills while they have fun. Content: Math-Play.com offers easy-to-play games. The site includes classroom games that teachers can add to their lesson plans to make learning interactive and fun. The site also shares links to other math games. Even though the date of the last revision is not clearly labeled, the copyright is 2010 dated, and the sponsor of the site is under Doina Popovici name. Design: The homepage downloads efficiently, and the games are readily available. However, elementary or middle grade students may not find this website appealing based on the design of the homepage. The top of the homepage has only one image and lots of text until the user scrolls down on the page. The games are labeled, organized, and ready to use with ease. The graphics, animations, sounds clips serve a clear purpose, and they are appropriate.