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 ...

The Duolingo math app will cover basic third and fourth grade level mathematics, including multiplication, division, fractions, angles, and area measurements. A Duolingo language lesson looks more ...

The debate over what early math should look like and what should be included in the Common Core State Standards for early mathematics has been contentious, to say the least. This story also appeared ...

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