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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results