In a Dec. 20 Moneybox post, Matthew Yglesias made two arithmetic errors that led him to overstate the aggregate value of all privately owned land in the United States by about $2 trillion.

In a Dec. 19 Altered State, Sam Kamin and Joel Warner misspelled Colombian. 

In a Dec. 19 Culturebox, Fred Kaplan misspelled New Orleans' Frenchmen Street.

In a Dec. 19 Dear Prudence, Emily Yoffe misspelled the name of the Shakespeare character Regan.

In a Dec. 19 Moneybox, Matthew Yglesias misidentified Apple retail chief Angela Ahrendts as the former CEO of Hermes. She's the former CEO of Burberry. 

In a Dec. 19 Slatest blog post, Elliot Hannon misstated that $5.4 million worth of fruits and vegetables is being provided in lunchrooms and nearly $4 million of it is thrown out each year. Those amounts are being produced and thrown out each day.

In a Dec. 19 The Eye blog post, Mark Vanhoenacker misspelled the last name of architect Brad Hutchison.

In a Dec. 19 Vault post, Rebecca Onion misstated the location of the forest kindergarten described in Emily Bazelon's recent piece. It's in Switzerland, not Sweden.

In a Dec. 19 Weigel blog post, David Weigel misstated that Marion Barry left the D.C. mayor's office for the last time in 1995, rather than 1999.

Due to a production error, a Dec. 18 Culturebox excerpted from Fangasm contained a cover image from a different book.

In a Dec. 18 Future Tense blog post, Ariel Bogle incorrectly stated that the Hello Kitty Carnival app asks users to take photos of themselves while playing the game. The app does not do that, but it is able to access mobile devices' photos while in use, which could include photos of kids.

In a Dec. 18 Moneybox, Matthew Yglesias misspelled the first and last name of Hans-Jörg Naumer, Allianz's global head of capital markets and thematic research.

In a  Dec. 18 Weigel blog post, David Weigel misstated that the Murray-Ryan budget included $6 million in pension cuts to nonmilitary federal workers, rather than $6 billion. He also misstated that Jeff Sessions proposed cutting $4.2 million in benefits, rather than $4.2 billion.

A Dec. 18 Video headline misspelled Millennium, the name of Stieg Larsson's trilogy.

In a Dec. 17 Moneybox, Matthew Yglesias misspelled the last name of J.R.R. Tolkien.

In a Dec. 17 Politics, Dave Weigel misspelled the last name of Wyoming Sen. John Barrasso.

In a Dec. 17 The World blog post, Joshua Keating misspelled BuzzFeed.

In a Dec. 17 Weigel blog post, David Weigel misspelled Georgia Sen. Johnny Isakson’s first name.

In a Dec. 17 Slatest post, Elliot Hannon misspelled the Ku Klux Klan.

In a Dec. 16 Moneybox blog post, Matthew Yglesias misstated at what times Washington Post reporter Tim Lee was suggesting Uber discounts if the base fare were raised. Those discounts would be during off-peak times not peak times.

In a Dec. 16 Music Box, Chris Molanphy misstated the release date of Beyoncé's previous album. It was in 2011, not 2010.

In a Dec. 16 Science, a photo courtesy of Paul van Hoeydonck and the Waddell Gallery was misattributed to Laurie Gwen Shapiro. A photo courtesy of the Waddell Gallery was misattributed to Shapiro, Corey Powell, and NASA. A photo courtesy of van Hoeydonck and NASA was misattributed to Shapiro and Powell. A photo courtesy of van Hoeydonck and the Waddell Gallery was misattributed to the Waddell Gallery alone. And a photo misidentified David Scott as James Irwin.

In a Dec. 16 Slatest post, Josh Voorhees misstated the year that "fake" sign interpreter Thamsanqa Jantjie was charged with murder. It was 2003, not 2013.

In a Dec. 13 The Eye post, Kristin Hohenadel misstated the dimension of the paper being used to make an origami elephant. It is 50-by-50 feet, not meters.

A Dec. 12 Holidays originally misspelled Santoku, the Japanese knife brand.

In a Dec. 11 Weigel blog post, David Weigel misstated that John Boehner wanted Republicans to pass a fiscal relief package at the end of 2012 without Republican votes, rather than without Democratic votes.

In a Dec. 9 Culturebox, Chris Klimek misstated that the New Pornographers' "Joseph, Who Understood" is about the Immaculate Conception. It's about the Virgin Birth.  

Slate strives to correct all errors of fact. If you've seen an error in our pages, let us know at corrections@slate.com. General comments should be posted in our Comments sections at the bottom of each article.