https://doi.org/10.5951/mathteacmiddscho.22.3.0152 • https://www.jstor.org/stable/10.5951/mathteacmiddscho.22.3.0152 Copy URL Common Core State Standards Initiative ...

WESTON — The "Survivor Math Challenge" on Sept. 26 was an outdoor event in which teams of students competed with one another to solve order-of-operations math problems before completing a variety of ...

Watch the video to learn about adding and subtracting with negative numbers on a number line and by using number discs. Adding and subtracting with negative numbers. Let's talk about two ways to help ...