Number Sense Blog



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...



Math and the Holidays: Recipes, Ratio, and Proportion

Dec 23, 2015

What’s your favorite holiday dish? From fruitcake to latkes, whatever it is, it’s most likely made by following step-by-step instructions and fixed quantities of ingredients listed in a recipe! The relationship between ingredients in a recipe c...



Mathing With Your Kids: Compass Circle Art!

Dec 28, 2015

(Image via Housing a Forest) We're always looking for fun ways to "math" with our kids—especially considering all the downtime during winter break! That said, we love blogger Tammy Dube's compass painting activity featured on her blog Housing a...



Create a Vision Board and Get Your 2016 Goals on Paper!

Dec 29, 2015

As the holiday season winds down and we prepare to greet 2016 with energetic enthusiasm, it's the perfect time to start thinking about all the wonderful things you'd like to achieve as the coming year unfolds! Making a vision board with your child...



Word Problem Wednesday: HAPPY NEW YEAR!

Dec 30, 2015

It's the last Word Problem Wednesday of 2015! In the spirit of celebration, give our word problem a try... we'll update this article with the answer once we return in 2016! Georgina is making a banner to decorate the house for a New Year’s part...



Word Problem Wednesday: What's For Lunch?

Jan 6, 2016

It's the first Word Problem Wednesday of 2016! We're looking forward to starting 2016 off strong—and to do that, we're going to need lots of food to fuel our brains. Give our lunch-themed word problem a try—we'll update with the answer tomorrow! ...



The Modern Calendar and its Origins

Jan 7, 2016

Imagine falling asleep one evening and waking up the following day... to find yourself some 10 to 13 days in the future! Over the past few centuries, people all over the world witnessed this phenomenon at one point or another as countries made the...



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...



STEM Career Spotlight: Lauren Sperber, Software Engineer

Jan 11, 2016

This January, we're all about dreaming big and setting goals, so we're shining the spotlight on inspiring professionals with solid careers in STEM fields! Software engineer Lauren Sperber once thought she'd be guiding college students as they stru...



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 ...



Draw Your Math Valentine!

Feb 1, 2016

Math, how do we love thee? Let us count the ways! This February, we’re celebrating Valentine’s Day all month, and we’d love to know how math makes your heart skip a beat. Pick the Valentine greeting below that resonates with you most, draw your ma...



Word Problem Wednesday: Probability and the Lottery!

Jan 13, 2016

It's another Word Problem Wednesday! Today's word problem explores probability as it relates to the lottery. Give it a shot—we'll update this article with the answer tomorrow! For a certain lottery, there are 20 balls numbered 1 to 20. You sele...



It's a Mayan Math Game!

Jan 14, 2016

Image: "Detail of Codex Dresdensis drawn by Lacambalam" by Lacambalam - Own work. Licensed under CC BY-SA 4.0 via Commons. We admit—we were pretty excited when we found this awesome Mayan math game, courtesy of the Smithsonian National Museum ...



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...



Word Problem Wednesday: Find the Mystery Number!

Jan 20, 2016

(Image via Horla Varian on Flickr) For this installment of Word Problem Wednesday, we're on the hunt for a mystery number! Using the clues below, can you figure it out? We'll update this article with the answer tomorrow! I am a three-digit o...



Mathing With Your Kids: Math Monsters!

Jan 21, 2016

(Image via Macaroni Kid) If there's one thing we love, it's a good math craft... especially when it doubles as a manipulative! Jennifer Schorr's adorable math monsters craft on Macaroni Kid definitely fits the bill, combining creative time with...



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...



Meet the Newest (and Biggest) Prime Number!

Jan 26, 2016

We're rolling out the welcome mat to celebrate the newest prime number, which was discovered last week! What is a prime number, you ask? It's a whole number that has exactly two distinct factors, namely 1 and itself! As an example, 7, is a prime n...



Word Problem Wednesday: Democracy!

Jan 27, 2016

Happy Word Problem Wednesday! This week's problem gives a nod to the democratic process. Give it a try—we'll update with the answer tomorrow! There are three candidates for class president. Becky received 25% of the total votes. Charles receive...


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