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AlgebraLAB highlights the connection between algebra (and many other math subjects) and science. Although this website may appear as an in-depth informational algebra site, there is A LOT more to explore! AlgebraLAB includes 10+ links to various topics: Lessons, Practice, Careers (how Algebra and science are used in countless careers), Directions (offers insight on how to use this site), Word Problems, Study Aids, a Glossary, and several others. Many activities are interactive. This site requires Windows Media Player. You can get it from the TeachersFirst Toolbox page.
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This online calculator is able to graph in two or three dimensions. The advantage is the ability for all students to have the fastest, most capable calculator in class. Calc5 can be used to graph sin graphs, logarithms, and likely any graph needed in High School Math classes. A graph can include multiple functions. In order to see them, simply drag the graph. It is easy to zoom in and out of the graph. Students can take a screenshot of the graph in order to show in assignments or an online space. In Mac, simply hold the apple, shift, and number 4 key at the same time. Use the cursor (now a cross-hair) to drag a box around the picture and let go. The picture will be saved to the desktop. For PC, use the "Print Screen" button, then PASTE into any document or PowerPoint.
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Looking for different types of calculators? Find them on this interesting site. Choose a button on the calculator corresponding to the subject. Examples of subjects include Medicine, Algebra, Weather, Phonics, Financial, HVAC, Engineering, Weather, and Rocketry to name a few. After the subject is chosen, click on a formula to enter values. Some of the topics offer reference information, not calculations. This is definitely an interesting site to peruse.
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Need a calculator? No problem! Use calculator tab, an online calculator for computing needs. Calculator-tab is a simple interface with extra buttons appearing as side or top tabs. Click "open in pop up" to open the calculator in a pop-up window or "keyboard input" to use the number keypad on your computer. Click "Help" to view options such as "Quickstart," "Features," and how to perform the common computations on a calculator. Buttons are clearly identified in the directions as well as the proper way to use them. Links at the bottom of every direction take you back to the table of contents or straight to the calculator. A "Forum" tab does lead to a discussion forum. Registration and login is required to post to the forum, but can also be viewed without registering to obtain additional help. This site requires Flash. You can get it from the TeachersFirst Toolbox page.
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Don't have a calculator handy? Check out this tip sheet that details Google's built-in calculation feature. In addition to basic addition, subtraction, multiplication and division, the tool can also compute advanced math functions, convert one set of units to another, and perform calculations using built-in constants.
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Need a simple way to graph equations? Enter an equation (up to six per graph,) choose some settings, and graph it. There are a number of functions you can use to plot with examples for formatting. Save the graphs to use later in your documents or worksheets. Create a permanent link to share them with others. Ability to format equations for use with this graph is needed, but some examples are given. Easily change the settings of the graph and few common functions for formatting.
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TeachersFirst Edge Entry: for technology users who like math and like to "play." This online tool lets you create(or "share" someone else's existing) online calculations/spreadsheets. You can also display instant graphs of the spreadsheet contents. The spreadsheets are displayed in terms that ordinary people can understand and allow you to "plug in" numbers to see instant results. Some of the shared calculators already online are surface area and volume of geometric solids, interest calculators, body mass index, and more sophisticated business functions. The best way to see how the site works is to read through their "tour" then click to browse through the examples, especially the shared ones. Even if you never create your own, this tool is great!
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Whether or not your school uses the Lexile system to measure reading levels, teachers should become familiar with it. Lexiles are coming your way soon. Already 950 companies use Lexile to measure the reading levels of their materials. Thousands of schools now use Lexile measuring to determine the precise reading level of their students. Explore this website for more information on ‘how’ the measuring is done. On the homepage, click on the Educators’ link. There, you will find a Lexile Analyzer that allows you to cut and paste text into an entry box to determine its Lexile readability level. (You will need to register for the free use of the Analyzer.) Click on the book database to find the Lexile level of your classroom books. The Lexile Calculator lets you figure out the rate of comprehension based upon Lexile scores. Lexile leveling is also available for Spanish text. See El Sistema Lexile link at the bottom for more information.

Registration is free. An email address is required, as is some other information. This site requires Adobe Acrobat. You can get it from the TeachersFirst Toolbox page.

Another helpful resource in understanding Lexile levels is this pdf comparison chart from Harcourt (opens in Acrobat Reader).
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This authentic website connects math to everyday life. The website offers informational text and numerous interactive "real life" math investigations. Topics include Playing to Win, Savings and Credit, Population Growth, Home Decorating, Cooking by Numbers, The Universal Language, & Related References . Some examples of the interactive investigations include determining whether it is smarter to buy or lease a car and how much you will save for retirement (based on how much you invest each month and how many years the money remains in the bank).
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This web page provides elementary teachers with numerous interactive tools to use in their mathematic lessons. Counters, calculators, number lines and more are included in this useful site. Think of it as a complete electronic manipulative library. Flash is required for some of the activities. REQUIRES FLASH and can get pretty busy at times, slowing it down.
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This site has a multitude of financial calculators such as car payment calculators, credit and/or debt calculators, and mortgage calculators. There are also planning tools to use for general budgeting, paycheck planning, and even retirement. It is part of the PA state credit union members site; however it is completely free of charge. There are a few links to apply for a loan through the credit union but they are not obtrusive.
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This website was created to correspond with the Saxon mathematics book Course 1 - 5th edition. However, these activities could also be used without the text. Topics include graphic calculator activities and real-world investigations. All of the activities require Acrobat and Flash.
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This website was created to correspond with the Saxon mathematics book Course 3 - 1st edition. However, these activities could also be used without the text. Activities include graphic calculator activities and real-world investigations. The specific topics include scatterplots, formulas for sequence, inverse variations, box-and-whisker plots and numerous other topics. All of the activities require Acrobat and Flash.
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This interactive tool allows the user to click and drag tiles. The tiles have numbers, operations and symbols on them. The user can make up any type of problem or equation and then use the calculator tool to check their answer. The Help section gives some suggestions. Symbols available include parentheses, greater than, less than, decimal, percent, and four operations. There are no superscripts or fraction symbols. This activity would work best as a group activity and requires Flash.
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Long known for its support of educational programs, TI’s teacher activity exchange includes items for K-16, with a predictable concentration on math and science activities that relate to its many models of calculators. Click on their Professional Development section for more resources to help you as a teacher, including free online courses.
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Can't attend a workshop on the latest in interactive whiteboard, calculators, and other technology in Math? Watch the videos! This site look like nothing but a bunch of links, but they open the videos from the conference you missed in Feb, 2006: the Denver TI3 conference with Texas Instruments. The site includes the handouts for classroom use. Click on the links to "Play Window Media Player Content" - if you have a high-speed connection. Give yourself a professional break. Requires Windows Media Player plug-in.
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This wonderfully informative website provides numerous "case files" about many famous people from the world of science and technology.. There are five major areas including computing, transportation, cosmic inquiry, energy, and communications. Once you click on one of the major areas, a list of names appears. Then click on the names of the famous people to learn more about their specific inventions and/or contributions to science and technology. The text also includes images of artifacts from each scientist's life: diaries, writings, and more, all clickable to bring up a larger image of the "real thing." Numerous famous scientists and inventors are included (Alexander Graham Bell, William Jennings, Marie Curie, Albert Einstein, Henry Ford, Catherine Gibbon, and many others).
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This site from the University of Tennessee offers much more than calculus. There are explanations, Shockwave-enhanced tutorials, and downloadable resources for TI graphing calculators for topics ranging from introductory functions on through advanced calculus. Based on a university professor's teaching notes, the result is a very student-friendly study resource.
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