AdvertisementThe Man Behind Common Core MathDecember 29, 2014Sarah GarlandfacebookEmailJason Zimba, one of the writers of the Common Core, waits while his daughters play. (Julienne Schaer for The Hechinger Report)
Jason Zimba, one of the writers of the Common Core, waits while his daughters play. (Julienne Schaer for The Hechinger Report)