Students practice addition and subtraction problems without regrouping. In this lesson, students practice addition and subtraction problems without regrouping using base-10 block manipulatives and ...

Under Common Core, parents are likely to see some unfamiliar terms on their children’s elementary-school math homework. Here are some examples drawn from New York state’s math curriculum: –Grade 2 ...

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 ...