Open Text Summarizer. Tools To Enhance Your Personal Learning Environment. Online Mind Mapping and Brainstorming - MindMeister. The Way You Learned Math Is So Old School. Hide captionArithmetic is the gateway to algebra, Weekend Edition Math Guy Keith Devlin says. iStockphoto.com The Way We Used To Multiply The old way to multiply required a student to add the products of 36 x 4 and 36 x 2.
The trick is to add that 0 at the end of the second product. Your fifth-grader asks you for help with the day's math homework. A) Stare blankly b) Google "stem-and-leaf plot" c) Say, "Why do you need to know that? " d) Shrug and say, "I must have been sick the day they taught that in math class. " If you're a parent of a certain age, your kids' homework can be confounding. Well, our math guy, Keith Devlin, who is very good at math, tells Weekend Edition Saturday host Scott Simon that there's a reason elementary schools are teaching arithmetic in a new way.
How Kids Learn To Multiply Now These days, students add four products to get the answer. UC Berkeley Video and Podcasts for Courses & Events. Female_orgasm_facts.jpg (560×3750) Stephen Wolfram: A New Kind of Science. DUS: All-Nighter Survival. 6174 (number) 6174 is known as Kaprekar's constant[1][2][3] after the Indian mathematician D.
R. Kaprekar. This number is notable for the following property: Take any four-digit number, using at least two different digits. (Leading zeros are allowed.)Arrange the digits in ascending and then in descending order to get two four-digit numbers, adding leading zeros if necessary.Subtract the smaller number from the bigger number.Go back to step 2. 9990 – 0999 = 8991 (rather than 999 – 999 = 0) 9831 reaches 6174 after 7 iterations: 8820 – 0288 = 8532 (rather than 882 – 288 = 594) 8774, 8477, 8747, 7748, 7487, 7847, 7784, 4877, 4787, and 4778 reach 6174 after 4 iterations: Note that in each iteration of Kaprekar's routine, the two numbers being subtracted one from the other have the same digit sum and hence the same remainder modulo 9.
Lucid Dreaming. By lucid dreaming, you can gain complete control over the one place that no one will ever care about: your imagination.
Just The Facts Lucid dreaming is a scientifically proven phenomenon. While some get into lucid dreaming in order to treat chronic nightmares, or to experience all facets of the human experience, approximately 99.8% of people use it as a tool for cheap and interactive 3D porn. A lucid dream is a dream in which the dreamer is aware that he or she is dreaming, and he or she can even choose to control and manipulate his or her dream. Dream, dream, dream. How to Take Control of Your Dreams: So, you've doubled your weight over the past five years, you own a record-shattering collection of greasy pizza boxes and broken aspirations, and you're beginning to consider installing a toilet bowl in the place of your computer chair? In order to even begin to get control over your dreams, there are a few preliminary tasks you must complete. The Tasks: Review of Galantamine: the Lucid Dreaming Pill.
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This natural supplement has been used for centuries in China as a memory enhancer, and was even noted by the ancient Greeks for its powerful mind-inducing effects. Now we know that galantamine indirectly promotes dreaming sleep as well as lucid dreaming, which is the art of becoming self-aware in your dreams. There’s a lot of hype about galantamine, so I want to cover the basics about how it works on the brain, the studies that have proven its effectiveness, and my personal recommendations for experimentation with this safe and natural supplement. I also want to be brutally honest about some of the mild psychological and physical side effects as well. Beyond CliffsNotes: 100 Free & Useful Tools for When Time’s Running Out. If you’re a consummate procrastinator–despite your best efforts to be otherwise–then you’ve undoubtedly waited until the last minute to start that research paper or read that book more than once.
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