The Common Core State Standards teach students the algorithm for multi-digit addition and subtraction in 4th grade. But some experts say it should be taught sooner.

Unfortunately, the Common Core math standards delay the teaching of standard algorithms for addition and subtraction, as well as other key operations. The standard algorithm for multi-digit addition ...

Consider the standard algorithm for multidigit addition and subtraction, which makes its appearance in Grade 4 of the Common Core math standards.

In the CCSS, it’s actually referred to as the “standard algorithm” for addition and subtraction, and the CCSS require that students completely master it for multi-digit numbers by the end of ...

The present paper describes the success, the methods (mental, informal written, standard algorithm) and the strategies of informal written arithmetic to be observed when 300 elementary students worked ...

After instruction on the standard algorithm for addition, which employed the manipulative aid of counting sticks, the 96 subjects, all prospective elementary school teachers, were given retention ...