Math teacher Emma Chiappetta uses a three-round exercise to help students not only recognize their errors, but also generate ...

Lindsey Henderson hopes to change the conversation about math in her state. As student math performance declined in Utah and states across the nation over the pandemic, most learning-recovery efforts ...

In the third century BCE, Apollonius of Perga asked how many circles one could draw that would touch three given circles at exactly one point each. It would take 1,800 years to prove the answer: eight ...