10 easy arithmetic tricks. Technology Math can be terrifying for many people. This list will hopefully improve your general knowledge of mathematical tricks and your speed when you need to do math in your head. 1. The 11 Times Trick We all know the trick when multiplying by ten – add 0 to the end of the number, but did you know there is an equally easy trick for multiplying a two digit number by 11?
This is it: Take the original number and imagine a space between the two digits (in this example we will use 52: Now add the two numbers together and put them in the middle: That is it – you have the answer: 572. If the numbers in the middle add up to a 2 digit number, just insert the second number and add 1 to the first: 1089 – It works every time. 2. If you need to square a 2 digit number ending in 5, you can do so very easily with this trick. 252 = (2x(2+1)) & 25 2 x 3 = 6 3.
Most people memorize the 5 times tables very easily, but when you get in to larger numbers it gets more complex – or does it? Let’s try another: 4. 5. Videos on the People, Issues, and Ideas Changing the P. TED: Ideas worth spreading. Brainz. Mind Tools.
Critical thinking web. Big Think. The Learning Network - The Learning Network Blog. Awesome Stories. Google Docs - Digital Inspiration. 14 Mar 2014 How to Scrape Google with Google Sheets Learn how to scrape Google pages and extract search results and keyword ranking data using simple ImportXML functions inside Google Spreadsheets. 11 Mar 2014 The Best Add-ons for Google Docs and Sheets Meet some of the most useful add-ons for Google Docs and Sheets. Also learn how Google Add-ons are different from regular Google Apps Scripts. How to Write an Add-on for Google Docs Google Add-ons add new capabilities to Google Docs and Sheets. 15 Mar 2014 Create Mail Merge with Gmail and Google Docs Learn how to create Mail Merge with Gmail and send personalized email messages in bulk. 04 Mar 2014 How to Monitor your Website’s Uptime with Google Docs Learn how to use Google Docs as a free website monitoring tool and receive instant email and SMS text alerts when your website goes down. 12 Mar 2014 How to Sort Gmail Messages by Size Do you want to sort your email messages in Gmail by size?
03 Apr 2014 How to Insert Images in Google Spreadsheets. The Ultimate Open Courseware Toolset: 60 Directories, Search Eng. Open courseware has expanded to the extent that directories, lists, search engines, archives and Web tools are available free to anyone who chooses to learn through the Internet. The following list contains some individual tools, but on the whole, this list is filled with links to sites and pages that offer more links to even more resources.
So, if you’re looking for an open source tool to create a video, go under “tools” below to find two links to sites filled with open source software resources. All links under the categories below are listed in alphabetical order. This alphabetical method of organization also shows that we do not value open courseware project over another. Directories The following directories have done the work for you, discovering various open courseware projects from around the world or that are focused on one specific area of study. You can find books, video lectures, teaching tools and more, all labeled with the open courseware tag. Search Engines and Archives. Online Learning: Reaching Out to the Skeptics - Advice - The Chr. By Thomas H. Benton Another major study has arrived—this time from the Department of Education confirming that online courses can be at least as effective in achieving measurable learning outcomes as traditional, face-to-face courses.
At the same time, a study from the Association of Public and Land-Grant Universities shows that 70 percent of the 10,000 faculty members surveyed believe that online courses are either "inferior" or "somewhat inferior" to traditional ones. Professors who have taught online are more positive about the approach, but 48 percent of them are likewise convinced that online courses are not as good as face-to-face teaching. That antagonism might alarm anyone who attempts online teaching in response to administrative encouragements; some of your colleagues will regard you with suspicion, and they may even tell students to avoid your courses.
Just like online publication, teaching online entails some amount of risk to one's reputation. 1. 2. 3. 4. 5. 6. 7. Thomas H. 35+ Educational Games and Games Re. E Learning Sites. Education World® : Site Reviews Center : Archives : Students. SharpBrains. Here you can enjoy the Top 25 Brain Teasers, Games & Illusions that SharpBrains readers (primarily adults, but some younger minds too) have enjoyed the most.
It is always good to learn more about our brains and to exercise them!. Fun experiments on how our brains and minds work 1. You think you know the colors? Try the Stroop Test 2. 3. 4. Challenge your attention and memory 5. 6. 7. Optical illusions 8. 9. 10. 11. Language and logic puzzles 12. 13. 14. 15.
A few visual workouts 16. 17. 18. Teasing your pattern recognition and thinking 19. 20. 21. 22. Brain teasers for job interviews 23. 24. 25.