Flex your math muscles with this weekend’s brain teaser. Play now.

Axiom Math, which has recruited top talent from Meta, has raised $64 million in seed funding to build an AI math whiz.

“I do not call my art ‘mathematical art,’” Dr. Roelofs said in a video interview about a week later. “It’s art about mathematics. Every artist has a favorite subject, things you want to talk about.

Students in Kristen Gonsoir’s classroom at Groton Area High School in Groton, S.D., spend a lot of time solving equations together. Early this school year, they passed almost an entire period working ...