The common-core math standards require that students learn the standard algorithm for multi-digit adding and subtracting—you know, the process in which you line the numbers up vertically to add or ...
“For some, common core is creating common confusion,” said education correspondent Rehema Ellis on a recent NBC News segment. The crux of the news piece was that parents are struggling to help their ...
Practical experience using everyday objects is best for understanding adding and subtracting, as Sheila Ebbutt and Carole Skinner explain. One way that children learn about addition is through ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results