New Google Classroom tool gives hints on tough homework problems

Imagine if your old trig worksheets stepped in to help you out when you were stumped on a question. That’s Practice Sets, the newest Google Classroom tool, in a nutshell.

Google Classroom, for folks who went to school before the internet was everything, is a widely used gaggle of web tools that allows teachers to post assignments, students to submit them, and teachers to return them online. With Practice Sets, not only will teachers be able to send out problem sets, but they’ll be able to make those problem sets interactive.

An algorithm will provide hints to students who seem stumped. It will automatically grade the sets as well. Sinha says the algorithm will recognize when students write “equivalent answers” — so if a question needs...

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