In the long division problem used as an example under the heading “area model,” the right column showed 7 minus 0 equals 0. It should have read 7 minus 7 equals 0.
What’s the fuss about? Steve Rhodes, CC BY-NC-ND Beginning in 2010, mathematics and English language arts standards, called the Common Core State Standards, were adopted in 45 of 50 U.S. states. The ...
Long a staple of the high school curriculum, the mathematics-course sequence of Algebra 1, geometry, and Algebra 2 is facing a budding challenge as schools transition to the Common Core State ...