What’s the difference between New Math and Common Core math? Response from Nell W. McAnelly, associate director of LSU’s Cain Center for Scientific, Technological, Engineering and Mathematical ...
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.
当前正在显示可能无法访问的结果。
隐藏无法访问的结果