Janet Berry-Johnson, CPA, is a freelance writer with a background in accounting and income tax planning and preparation for individuals and small businesses. Her work has appeared in Business Insider ...

As students move up through the grades in elementary and middle school, math marches relentlessly forward—whether they’re ready or not. Math is a hierarchical field, building sequentially on prior ...

Kelly-Ann Franklin has spent more than two decades in journalism which has helped her build a wide knowledge base of business and personal finance topics. Her goal with editing is to ensure tough ...

I have a question that has been on my mind for a few years: In calculating a nest egg target, we in California should be aiming higher, closer to $1.5 million rather than the oft-mentioned $1 million.

If you've got the time, we've got the riddle. And it's time for a riddle about time: How many numbers are on a clock? It begins with the simplest of questions that, nevertheless, has no simple answer.

Have you ever had a moment when you’re walking home from a great night at a party where you met someone you really like. You’re thinking about them and what could come from the spark. In the midst of ...

Over 8,000 years ago, early farming communities in northern Mesopotamia were already thinking mathematically—long before numbers were written down. By closely studying Halafian pottery, researchers ...

Editor's note: Last updated following the Dec. 10, 2025 drawing. Let's face it. You face some pretty steep odds to win the Powerball jackpot, like a 1 in 292.2 million chance. So is there any way to ...

You may have heard kids say "six, seven". We unpack what's behind the latest slang making waves in playgrounds and online. The number 67 has been causing a commotion among kids lately. Try saying it ...

The meme exploded into youth culture with a video of a boy who delivers a giddy “six seven” at a basketball game. CAM WILDER Photo: Cam Wilder The name of this fall’s most obnoxious classmate: Six ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Students in Melissa Williams' kindergarten class at the Westminster School in Atlanta, Georgia, practice connecting quantities to written numbers — a key part of number sense. Credit: Holly Korbey for ...