Teachers First - Thinking Teachers Teaching Thinkers

eMathHelp offers help and resources for high school and college students. Select Math Notes to find over 2000 notes with explanations and examples for Pre-Algebra through Calculus 2. eMathHelp also offers a large variety of calculators in various subject areas featuring step-by-step answers. Browse through the Homework Help section to find answers to previously solved problems or post your own. Be aware, this site will point you in the right direction to finding answers, they don't just give answers!!
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tag(s): calculators (36), homework (29), tutorials (52)

This visual dictionary includes over 800 math definitions with almost 800 illustrations. Over 200 of the illustrations are animated examples of math terms and concepts. Use the keyword search to find specific terms or browse by letters of the alphabet. Most definitions also include a link to related concepts and additional information.
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tag(s): dictionaries (48), vocabulary (242)

MathScienceMusic provides a large variety of free, engaging, resources to teach math, science, and music to students from kindergarten through college all created through a collaboration with Jazz legend, Herbie Hancock. Click letters on the homepage to begin your musical experience, then scroll down to view the available resources. Each group of resources includes a video introduction explaining the content. Some of the choices include Scratch Jazz (music and coding) and Groove Pizza (Shapes and Angles and Groove). All activities include a short description along with suggestions for appropriate grade level, concepts taught, and links to additional resources. The videos are hosted on YouTube. If your district blocks YouTube, then they may not be viewable.

tag(s): angles (52), animation (66), brain (56), coding (86), fractions (160), geometric shapes (134), india (32), multiples (15), music theory (48), musical instruments (54), musical notation (35), numbers (121), patterns (61), preK (286), ratios (47), sound (72)

Learn global economics with real world experience playing the stock exchange game. Register on the site to browse and find current games to join or create your own game. Game creators choose from many personalization options including type of currency, trading dates, countries to include, and much more. Additional teacher resources include allowing loan options, downloading of all transactions, and streaming ranks for student result comparisons.
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tag(s): competitions (10), currency (14), stock market (11)

Growth Mindset Archives offers a selection of resources for teaching and developing a Growth Mindset in math. Resources include downloadable posters, videos, and inspirational messages. Click on any title to view. If your district blocks YouTube, the videos may not be viewable.

tag(s): brain (56), learning styles (17), professional development (392)

Investing for Beginners is a YouTube playlist created by Fidelity Investments. The playlist includes 17 videos covering topics such as Investing for Beginners and How to Define Your Investing Personality. Videos all run less than five minutes in length, making them perfect for quick introductions to financial topics. If your district blocks YouTube, then they may not be viewable.
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tag(s): financial literacy (95), investing (8), stock market (11)

This YouTube channel includes a growing selection of math instruction videos for Algebra through AP Statistics. Browse through videos on the home page or go to the site's playlists for videos grouped by topic. If your district blocks YouTube, then they may not be viewable.
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tag(s): angles (52), area (53), charts and graphs (171), equations (119), factoring (25), functions (52), inequalities (25), polynomials (20), probability (99), problem solving (234), quadratics (27), statistics (121), video (267), volume (33)

Which One Doesn't Belong provides stimulating and challenging math puzzles. Select a category to find puzzles related to numbers, shapes, graphs, expressions, photos, incomplete sets, and miscellaneous. The site does not provide a "correct" answer. Each puzzle has multiple (possible) answers providing opportunities for all to choose and justify their response.

tag(s): critical thinking (136), logic (161), problem solving (234), puzzles (149)

This blog details very specifically how to introduce and teach mathematical tasks through storytelling. Begin by choosing the first link that introduces the storytelling tasks through a "brief series" of video clips. On the landing page, click on the video to display the entire 36 minutes. Scroll to the bottom to find the series of clips. Follow the next link to find a Google document with many different tasks. Included in the document is information about the resource, standards addressed, and suggested task question. Click on the Task Title to view the problem.

tag(s): equations (119), geometric shapes (134), money (114), percent (59), perimeter (20), variables (14), volume (33)

This site offers over 10,000 lessons aligned with the Common Core and the Next Generation Science Standards. The lessons were created by 130 Master Teachers. You can browse resources without registering. Click the blue "Browse" button to get started. Choose along the top from Common Core Math, Common Core ELA, or Next Generation Science. Lessons are arranged by grade level or Math, Language, and Science subjects. However, if you want to create your own resources, registration is required. After registering, create a class and then create a unit for that class. Finally, create a lesson for that unit, fill in an objective, select a state standard, and estimate the total time on task. Upload files (or drag and drop) to assign them to the lesson or keep them "unassigned" for later use. Additionally, simply add other members' files to your own curriculum. Search for files by keyword, age-level, and type of format. Click on a result to see every lesson plan using that file.

tag(s): commoncore (73), professional development (392), Teacher Utilities (203)

Put math (and related science) fears behind you with podcasts with text transcripts from The Math Dude. The Math Dude makes complex math problems easy to decipher with his easy to follow explanations and tips. Listen to podcasts while viewing text explaining common math questions from basic algebra through SAT prep questions. Be sure to check out the "The Math Dude's Most Popular Tips" and "The Math Dude's Archives." Download podcasts as MP3 files and play through iTunes, QuickTime Player, and RealPlayer installed on a local computer. You can also simply play them from the site. Just be sure you click on the podcast play button and not one of the annoying videos or other ads! This site is loaded with advertisements. However, there is some great material underneath them all. NOTE: This site includes tools for blog users to interact with others. Any visitor can comment on the posts and podcasts or participate in Forums. There are also links to other tip blogs on the web page. Check your school policies on students posting comments, etc. to the web and whether they are permitted to do so anonymously and/or with name or initials.
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tag(s): measurement (123), operations (72), podcasts (114), problem solving (234)

Find great math resources on this free site on countless topics. Click each resource to find sites useful on individual computers or projected on a whiteboard screen. Be sure to test out each interactive prior to using with a class, as some require Flash or other programs. Find great games about Numbers and Operations, Algebra, Geometry, Probability, and Money. Though these interactives are labeled for grades 7-12, several can be used by K-5 teachers i.e. the number line interactives. Click on an activity and then explore the tabs above. There is a wealth of material here, so be sure to check it out!

tag(s): data (150), money (114), numbers (121), probability (99)

Find online video lessons and free resources on this MIT site. BLOSSOMS features great STEM videos as well as links to other STEM resources on the site. Find great resources that focus on the use of science and math knowledge to bring these topics to life. View a variety of topics such as Using Geometry to Design Simple Machines, Galaxies and Dark Matter, and Classifying Animals by Appearance Versus DNA Sequence. On each video page, click the link to view the video, read a summary of the information, and even download the transcript, teachers guide, and images that are used for the video. Downloads are available in Word or Adobe Reader format. Interested in the topic? Use the links at the bottom to view other sites and resources.

tag(s): engineering (137), STEM (306)