The math standards issued by the Common Core State Standards Initiative have made life easier for innumerable teachers, and this compilation of common core multiplication strategies for 3rd and 4th ...

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 ...

Using rectangular arrays is another method on our list of common core multiplication strategies for 3rd and 4th graders. It is quite similar to the one I explained above, except in this you draw ...