What's a math trick that is not very well-known?

Very simple one I learned in 5th grade that I still use to this day that most people don't know: what's 4x18? This isn't the most complex problem but it would take people at least a couple secon…

Top stories for Long   What's a math trick that is not very well-known? Alex Mazanek, studied at Pima Community College • Updated March 25, 2016 Very simple one I learned in 5th grade that I still use to this day that most people don't know: what's 4x18? This isn't the most complex problem but it would take people a... Read more » 4.4K 293   Your response is private Was this worth your time? This helps us show content you find valuable. Absolutely not Definitely yes   What is something a guest in your house did that made your jaw drop? How did you react? Carmen Jldie, knows German • Answered July 11, 2023 When my brother-in-law visited us for the first time, he whipped out a giant stack of hundred dollar bills and proceeded to pay us back for the plane ticket we had just bou... Read more » 409 8   When installing a car battery, which terminal do you connect first? Raghul Deepak, Founder and Chief Enthusiast • Answered May 22, 2023 When installing a car battery, it is important to follow a specific sequence to ensure safety and prevent electrical mishaps. Here is the recommended procedure: 1. First, id... Read more » 2.4K 187   What item should I avoid at KFC? Curran Copeland, lives in Kentucky (1950-present) • Updated November 14, 2018 My son used to be the asst. manager at a KFC so I asked him what to avoid at a KFC. His answer was "Going onto their property in the first place." After working at a few fas... Read more » 1.8K 215   My neighbor put in a culvert by a stream and turned my dry land into a pond. What can I do? Terry Dinerman, Retired Ships Medical Officer - Public Health Officer • Answered October 24, 2023 I would start by videoing the area that has been inundated, and the new construction, then notifying your neighbor that you have suffered an injury due to his actions, and ... Read more » 2.4K 106   Do nuclear submarines ever surface? Richard Santowski, Retired Submarine Officer; truck driver. • Answered August 9, 2023 I was a submariner for 20 years. I can tell you that literally without exception, every single time that we submerged, every single man on board hoped and expected that we ... Read more » 8.1K 647   Was cancer around in the Middle Ages? Daniel Baker, M.A. in European History, George Mason University • Answered November 23, 2015 Long before the Middle Ages, even. When early surgeons cut into tumors (usually of a dead patient), they noticed that the tumor cross-section with its spindly leg-like pro... Read more » 3.8K 116   Is there love in extramarital affairs? Lana Gorokhav, Head of Strategy and Marketing (2016-present) • Answered March 8 Love in extramarital affairs, you ask? Let me break this down in a way that only I can. People are often misguided by the idea that there is such a thing as pure, untainted... Read more » 1.6K 190   I was arrested and spent six months in jail for a shoplifting charge at Target, then the state decided it wasn't me in the video and dropped charges. Can I sue? Kimphill2008 • Answered February 27 Khalief Browder spent 3 years in Rikers Island before being released after a lack of evidence, allegedly for stealing a backpack. To the "retired police officer" who says t... Read more » 2.7K 307   How are peanut butter and high blood pressure related? Lucia Garcia, Worked at Hospitals • Answered October 17, 2021 Peanut butter is one of the best high-protein, high-fat nutritional food sources. Peanut butter is rich in protein, fat, monounsaturated fatty acids, vitamin E, B vitamins, ... Read more » 2.2K 128   Is it true that nobody is going to heaven and nobody is going to hell? Dennis Cybulski, Political Neutral, Veteran, Bible student of 50 years • Answered August 12, 2023 Not quite. Some will go to heaven but the majority of mankind will not. We all go to "hell" when we die. Based on the Bible the majority of mankind do not go to heaven, they... Read more » 1K 1.2K   I've never sold my house before. Why is it deemed inappropriate to be present when potential buyers are looking? Linda Cooper, studied at School of Life • Answered April 26, 2023 The estate agent made the appointments, 4 in 1 day. The bread was was baking and the coffee was on. I showed each of them round my home and by the end of the day had sold ... Read more » 243 41 Read more in your feed

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