Search Options
close
Search the following clips:
All Clips
Everyone's Clips
My Guides
Sign Up
Install
Learn More
Login
10 Great Math Tricks to Do Calculations in Your Head
abhiator
follow
0
10-9-2007 10:17 AM
145 views
tags:
10 great math tricks to do calculations in your he
abhiator
says:
10 Great Math Tricks to Do Calculations in Your Head
Add a Comment
Login
to Comment. Not a member yet?
Sign up
Related Clips
Gov. Sarah Palin - just another dirty poli...
10 ways to break into holiwood
America's 10 Most Confusing Traffic Signs
10 Things Your Body Can Do After You Die
10 Effective Ways To Protect Yourself Agai...
10 Things You Need To Know About Sarah Palin
Revenge is Sweet - But a Prank is Better!
More clips from
abhiator
Mask
Memories
Complain
Today's Top Clips
Salvador Dali's Alice in Wonderland Series
"Artwork inspired by the mysteries and marvels of science." wonderful images
Brave New World of Digital Intimacy
Gait may be associated with orgasmic ability
24 of the most peculiar creatures known to mankind.
Hey dude, i'm fighting a bacteria now
Palin by Andrew Sullivan
Biden on Fire
Physicists investigate how time moves forward
I can relate, but you don't want me as president
visit the
Top Clips page
View the Top Clips from
October 9, 2007
Embed This Clip In Your Site...
<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/af1f0701-00e2-43c3-afec-18a91fa1e2b1/A47E3115-81A1-4E20-9538-11DC91A464D0/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://listverse.com/science/10-easy-arithmetic-tricks/" href="http://listverse.com/science/10-easy-arithmetic-tricks/" style="font-size: 11px;">listverse.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P><A href="http://listverse.com/wp-content/uploads/2007/09/galoisfieldlib.png"><IMG width="250" vspace="4" hspace="4" height="250" border="1" src="http://listverse.com/wp-content/uploads/2007/09/galoisfieldlib-tm.jpg" alt="Galoisfieldlib" /></A></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P><SPAN class="litem">1. The 11 Times Trick</SPAN></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><DIV align="center" width="100%"><DIV><P>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:</P></DIV></DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>Take the original number and imagine a space between the two digits (in this example we will use 52:</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>5_2</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>Now add the two numbers together and put them in the middle:</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>5_(5+2)_2</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>That is it - you have the answer: 572.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P><SPAN id="more-2096"></SPAN>If the numbers in the middle add up to a 2 digit number, just insert the second number and add 1 to the first:</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>9_(9+9)_9</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>(9+1)_8_9</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><DIV align="center" width="100%"><DIV><P>10_8_9</P></DIV></DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>1089 - It works every time.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P><SPAN class="litem">2. Quick Square</SPAN></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>If you need to square a 2 digit number ending in 5, you can do so very easily with this trick. Mulitply the first digit by itself + 1, and put 25 on the end. That is all!</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>25<SUP>2</SUP> = (2x(2+1)) & 25</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>2 x 3 = 6</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>625</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P><SPAN class="litem">3. Multiply by 5</SPAN></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><P>Most people memorize the 5 times tables very easily, but when you get in to larger numbers it gets more complex - or does it? This trick is super easy.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/science/10-easy-arithmetic-tricks/"><DIV class="art-title"><A href="http://listverse.com/science/10-easy-arithmetic-tricks/" rel="bookmark" title="Permalink: 10 Easy Arithmetic Tricks">10 Easy Arithmetic Tricks</A></DIV></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/A47E3115-81A1-4E20-9538-11DC91A464D0/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
Clipmarks
Home
New Clips
Top Clips
Dashboard
Popular Topics
News
Life
Science
Technology
Entertainment
Get Started
Sign Up
Install Clipping Tool
How Clipping Works
Clip-to-Blog™
ClipSearch
Tools and Resources
FAQ
ClipWeek
Top Clippers
Top Tags
Site Map
About Clipmarks
About Us
Contact
Blog
Copyright
Privacy
EULA
OK