In math, students extend their understanding of place value to the hundreds place. They use this to solve word problems, such as those involving length and other units of measure. Students add and ...

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 ...

The Hechinger Report covers one topic: education. Sign up for our newsletters to have stories delivered to your inbox. Consider becoming a member to support our nonprofit journalism. This story also ...