Students put all of their addition and subtraction skills together to solve equations. In this lesson, students put all of their addition and subtraction skills together to solve equations. Julia ...

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Since its launch in 2011, Duolingo has become one of the most popular language teaching tools in the entire world, with over 500 million users learning to read and speak over 100 different languages.

Two students in Danielle Adler’s kindergarten class at Marcus Hook Elementary School in Marcus Hook, Pa., prepare for an addition problem. Credit: Holly Korbey for The Hechinger Report The Hechinger ...

Shannon Ahern, a high school math and science teacher, was afraid that ChatGPT would take her job. But her mind changed after she started using the AI for class prep, which saved her hours of time.