ORLANDO, Fla.--(BUSINESS WIRE)--SkillsTutor, a division of global education leader Houghton Mifflin Harcourt (HMH), today unveiled a Common Core State Standards-aligned version of its acclaimed Math ...

Figuring out a word problem. Calculating area and perimeter. Finding the measure of an unknown angle. All these tasks, and more, draw on an essential foundation of math knowledge, said Brian Bushart, ...

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