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.
You might also remember the photo of a check that went viral not that long ago — a man filled out a check to his son’s school by attempting to write the check amount in ten frames. There have been ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果