A key part—though surely not the only part—of early-grades math is ensuring students get the basic arithmetic functions down and, beyond that, making sure they’re able to swiftly and automatically ...

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 ...

Seems like budget cuts, staffing cuts and revenue cuts are all the rage these days. Perhaps more than ever, you and your team will be required to do more with less — much less of everything. At some ...

As surely as 2+2=4, it also equals a beginning step on students’ mathematics journey. Single-digit addition facts like these are so heavily used in mathematics that it’s critical that students ...

Students put all their addition and subtraction skills together to solve equations. In this lesson, students put all their addition and subtraction skills together to solve equations. Julia begins ...

The confusion (likely intentional) boiled down to a discrepancy between the math rules used in grade school and in high school. By Steven Strogatz Recently I wrote about a math equation that had ...

Teachers can use these tools to promote discussions and help students move from concrete to abstract understanding of concepts.

Adding numbers can be made considerably easier by learning the proper techniques. Among these arithmetic strategies, the "Make 10" method gives kids more self-assurance and speeds up calculations.