Number Sense Blog

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...

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...

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 ...

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...

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...

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 ...

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...

(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...

(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...

(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...

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...

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...

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...

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...

We’re absolutely blown away by nine-year-old twins and Mathnasium students Amir and Amari! The two fourth graders (and students at Mathnasium of Corona, CA) collaborated on their very own rap song celebrating all the progress they’ve made at Mathn...

This Word Problem Wednesday, we're celebrating fun in the snow! Give our wintery word problem a try; we'll update with the answer tomorrow! Jordan and Sam are building snowmen together! Jordan rolled 17 snowballs and Sam rolled 25 snowballs. If...

This month, we're celebrating math in all its beauty, and we couldn't think of a better topic to start than tessellations! A tessellation is a special type of tiling (a pattern of geometric shapes that fill a two-dimensional space with no gaps and...

We're celebrating Pancake Day with a very special, very pancakey word problem giveaway in collaboration with author and math educator Lucy Ravitch! To join, solve our word problem and submit your answer to ilovemath@mathnasium.com by Tuesday, Febr...

(Image source) Congratulations to our favorite professional mathlete, Baltimore Ravens offensive lineman John Urschel, who started his first day as a candidate in MIT’s Applied Mathematics PhD program on Monday, February 1! He'll be studying sp...

It may not be sunny outside, but we have to admit—we’re in a summertime state of mind! In March, we want to know what your summer dreams are… and how math will help make them a reality! From saving up for a new bike to learning new shapes to bring...