"Mathematics is 90% common sense, the other half is intelligence” is a jocular math saying. The saying was posted on Twitter on February 3, 2012.
“Baseball is ninety percent mental, and the other half is physical” is a similar saying.
Twitter
Steve
@SweepFan
Mathematics is 90% common sense, the other half is intelligence. #Jokes #Funny #Humor #Maths
4:58 AM - 3 Feb 2012
Twitter
Piyush
@Piyushism
Mathematics is 90% common sense, the other half is intelligence.
1:25 AM - 23 Jun 2012
Twitter
Mark
@Tattooed_Ginge
Mathematics is 90% common sense, the other half is intelligence.
6:38 PM - 17 Feb 2013
Twitter
Bernice Wilson
@BeNiceArtist
“@Tattooed_Ginge: Mathematics is 90% common sense, the other half is intelligence.” Love it!
2:56 PM - 18 Feb 2013
Quora
What is the best math joke you have ever heard?
Tarik Kaddoumi, Marketer, Geek, “wanna-be” Farmer!
Answered Oct 30, 2013
A collection of nice (and some horrible) jokes… No offence, I love you all 
Mathematics is 90% common sense, the other half is intelligence.
Twitter
Shit Jokes
@ShitJokes
Mathematics is 90% common sense, the other half is intelligence.
2:44 PM - 27 Sep 2017
Twitter
Shit Jokes
@ShitJokes
Mathematics is 90% common sense.
The other half is intelligence.
4:50 PM - 20 Mar 2018
Above, a 1934 plaque from the Big Apple Night Club at West 135th Street and Seventh Avenue in Harlem. Discarded as trash in 2006. Now a Popeyes fast food restaurant on Google Maps.
Recent entries:
•
“The Milky Way is a hard place to be if you’re galactose-intolerant” (6/5)
•
“Since nobody reads the 5,000 page bills. let’s slip in ‘term limits‘“ (6/5)
•
Entry in progress—BP (6/5)
•
“I’m moving from the Milky Way to the Soymilky Way galaxy. I’m galactose intolerant” (6/5)
•
Entry in progress—BP (6/5)
More new entries...
Above, Big Apple Corner at 54th Street and Broadway in Manhattan. Google Maps.
Above, John J. Fitz Gerald, from the Aug. 15, 1931, Binghamton (NY) Press, pg. 14.
Listen to Robert Emmerich introduce "The Big Apple," a hit song from 1937. Music written by Bob and performed by Tommy Dorsey's Clambake Seven with Bob on piano. Lyrics written by Buddy Bernier and sung by Edythe Wright. Audio provided by Dorothy Emmerich.
Also listen to a 1937 "The Big Apple" song by Ozzie Nelson and his Orchestra. See a 1929 photo of John J. Fitz Gerald and a 1931 photo of John J. Fitz Gerald.
This site is edited by Barry Popik.