Welcome to the Algebra2go® computer science preparation page. If you need to brush up on your math for Saddleback College's computer science classes, or for an introductory computer science class at another school, Professor Perez and his favorite student Charlie have tools that can help you. We have five types of study materials: video worksheets, video lectures, practice problems, practice quizzes, and online tools. Whichever materials you decide to use, we would appreciate your feedback. Please let Professor Perez know what you liked and didn't like about these materials by sending him an e-mail.
Every video is accompanied by a worksheet that mirrors the presentation so that you can work along with Charlie during the video. This kind of active learning process is a particularly good way to increase retention. The worksheets are saved in the .pdf format. If your computer doesn't already read these files, you can download the free Adobe Acrobat Reader.
Perhaps our most popular tools are the video lectures. Attend Professor Perez's virtual classroom alongside his favorite student, Charlie. Each lecture focuses on a particular skill set which is vital for success. We are in the process of adding closed captioning to all of the videos. For a few videos we also have versions with an ASL interpreter. We hope to have more of these in the future. The videos are available in three formats.
Windows Streaming Media: These are .wmv videos. If your computer doesn't already play this format, you can download the free Windows Media Player to watch them. Mac users might find it easier to install the free Flip4Mac components for Quicktime.
YouTube: These are flash videos. If your computer doesn't already play this format, you can download the free Adobe Flash Player to watch them. YouTube videos can be played on a wide range of platforms such as computers, iPhones, Wii's, etc., but because of limitations on the length of these video clips some of the videos have had to be split into multiple parts. YouTube has recently added a feature which will translate the closed captioning into several dozen languages.
TeacherTube: These are flash videos similar to the YouTube versions, but TeacherTube videos do not need to be split into multiple parts. If your computer doesn't already play this format, you can download the free Adobe Flash Player to watch them.
Professor Perez has put together a collection of homework problems for each video. The homework sets are saved in the .pdf format. If your computer doesn't already read these files, you can download the free Adobe Acrobat Reader. We hope to add Charlie's solutions to these homework sets soon.
Each video is accompanied by a set of three online practice quizzes so you can determine when you are ready to move on to the next topic. Just fill in the blanks with the correct answers to each question. When you finish, Charlie will let you know how you did.
Professor Perez uses a virtual abacus as his primary tool for exploring different bases, so we have created an online version of his virtual abacus for you to use. It comes with a video player so you can work alongside Charlie while watching the videos. Just click on the desk icon at the top of either section to enter Charlie's virtual desktop. This tool has been tested in Explorer 7, Safari 3, and Firefox 3. Older versions of these browsers may exhibit some problems. We've also included the virtual abacus in each online quiz.
|Addition in Base Ten||read||play||play||play||read||open|
|Subtraction in Base Ten||read||play||play||part 1 part 2||read||open|
|Addition in Other Bases||Video
|Subtraction in Other Bases||read||play||play||play||read||read|