Number Sense Blog



Holy Moley! October 23 is National Mole Day!

Oct 23, 2015

It’s a big day for chemistry (and math!) enthusiasts—October 23 is National Mole Day! Before images of burrowing, subterranean rodents with limited vision come to mind, allow us to offer a brief explanation of this very big number. In chemistry...



NASA's Hiring Astronauts; Internet Goes Nuts

Nov 12, 2015

Just in time for the holidays, here’s some news that kicked long-buried childhood dreams into gear and sent our space-and-math-loving hearts aflutter: starting December 17, 2015, NASA’s accepting job applications for astronauts! This is the fir...



Mental Math: From Fahrenheit to Celsius... and Back!

Dec 8, 2015

(Image: Ilya via Flickr) Winter break is almost here! If you're spending the holiday season traveling outside the United States, or visiting the United States from somewhere else, you'll probably have to make some adjustments on how you view te...



Mathing During the Holidays: A More Economical Way to Wrap Presents!

Dec 14, 2015

(Image source) FACT: math is everywhere... and it comes in pretty handy during the holidays! Case in point: this awesome video featuring British mathematician Sarah Santos' math formula for wrapping presents! Sarah's formula (at about 3:14—pi m...



Legos: An Excellent Math Manipulative

Dec 15, 2015

(Image source) At Mathnasium, we're all about making math make sense to kids. That said, bringing out manipulatives—physical objects used as teaching tools—in appropriate situations is a fantastic way to render abstract math concepts concrete! ...



The Future is Here: SpaceX Rocket Launch a Game Changer for Space Exploration

Dec 22, 2015

Just in time for the holidays, here’s a history-making STEM comeback story we can all get behind! After a failed rocket launch in June that ended in an explosion, space technology company SpaceX successfully sent an unmanned Falcon 9 rocket into s...



Four New Elements Added to the Periodic Table!

Jan 8, 2016

As the world closed the books on 2015 and said hello to 2016, the International Union of Pure and Applied Chemistry dropped some big news for chemists/chemistry enthusiasts and the world of STEM in general! On December 30, they announced the addit...



Kepler: The (Broken) Space Telescope That Could

Jan 12, 2016

Between last December's epic SpaceX rocket launch and the recent unveiling of four new elements on the periodic table, the last couple of months have been huge for the world of STEM! Last week, the American Astronomical Society announced that the ...



STEM Career Spotlight: Alyssa Frazee, Machine Learning Engineer

Jan 19, 2016

Every day, Machine Learning Engineer Alyssa Frazee uses math to fight crime... and we have to admit, her job title sounds pretty cool, too! In the second installment of our STEM Career Spotlight, learn how talented professionals like Alyssa create...



Venus Fly Traps... and Math?

Jan 22, 2016

(Image: "venus fly trap" by Peter Shanks is licensed under CC BY 2.0) We have to admit, we thought we were dreaming when we came across the headline Venus Fly Traps Use Counting To Identify Prey. Turns out, counting is the key to this carnivoro...



STEM Career Spotlight: Lauren Schreibstein, Healthcare Analytics Manager

Jan 25, 2016

Once an aspiring doctor, Healthcare Analytics Manager Lauren Schreibstein found her professional niche using math and data analysis to help keep New Yorkers healthy. The most populous city in the United States is much a healthier one thanks to thi...



Math and the Weather

Jan 28, 2016

Have you ever wanted to use math to predict the future? To an extent, that’s exactly what meteorologists do when they forecast the weather—including the arrival of Winter Storm Jonas, which blanketed most of the east coast last weekend. Ima...



Happy Leap Day!

Feb 29, 2016

2016 is a leap year, and February, the shortest month of the year, gains an extra day—February 29th, otherwise known as leap day! So why do we have leap years and days? Leap years and days are adjustments built into the calendar’s structure to ...



Math Help: Counting and Grouping

Apr 26, 2016

Many times, when students of all ages come to Mathnasium in need of math help, their math troubles can be traced back to a lack of number sense—an intuitive grasp of how numbers work! What’s the first step to gaining number sense? Well, the most b...



NASA Announces 1,284 New Planets!

May 16, 2016

Image: NASA/W. Stenzel Our favorite space telescope has made headlines once again! Last week, NASA announced the verification of 1,284 new planets discovered by the Kepler mission. It’s the single largest planet discovery to date. Kepler pin...



STEM on the Street: An Epic Homecoming for the Last Space Shuttle Tank

May 26, 2016

Mathnasium Headquarters is based in Los Angeles, and on Saturday, May 21, we were in for a real treat as the last external space shuttle fuel tank in existence slowly meandered our city’s streets on its way to its new home at the California Scienc...



Math Fun: How Much Do You Weigh on Other Planets?

Jun 7, 2016

Have you ever wondered why astronauts can jump so high on the moon? It’s because the force of gravity on the moon is lower than it is on Earth! Simply put, gravity is the force that attracts two objects to each other. On a larger scale, our...


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