Your child continues to use tape diagrams as a visual tool to solve word problems. Your child continues to use tape diagrams as a visual tool to solve word problems. Now, he solves for an unknown in ...

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 ...

Adding single digit numbers can sometimes make double digit numbers. A handy way to make this easier, is by making 10 first. This diagram shows the connection between the numbers that form number ...