Answer: 1 and 4. They’re arranged in groups of two-digit numbers, all ending in 7 and ascending in both rows. Was this a hard math problem, or did you get the answer right? To open this safe ...

There’s always an answer for everything, even if takes years, decades, or even centuries to find it. So here are nine more brutally difficult math problems that once seemed impossible ...

Stuck on a tricky math problem? Google's newest app will use ... After a few moments, an answer is displayed, along with step-by-step details of how the problem was solved. The latter part is ...

Math fluency requires more than just memorizing facts and procedures, but also knowing how and when to use them.

30:12 (answers vary). b. Six batches. Rubinstein saw value in using a recipe to get students doing math. But he worried this problem would prove too difficult for some students. That echoes a ...

Artificial intelligence can write a résumé, answer medical questions, and even have philosophical conversations. But one task it’s not always so good at is solving math problems—and that ...

Others, felt this answer was overly complex for a first ... The dad who originally posted the math problem believes he now has a handle on what made it so tricky to start with.

Now, University of California San Diego researchers Jacques Verstraete and Sam Mattheus have found the answer to r(4,t), a longstanding Ramsey problem that has perplexed the math world for decades.