This is the second in a two-part series. Part one can be found here. The debate over what early math should look like and what should be included in the Common Core State Standards for math is one of ...

(PhysOrg.com) -- A mother walks her fussy baby around the house, singing and patting his back in time to the lullaby. She might not know it, but her rhythmic patting is her baby's first experience of ...