Context: Accurate determination of the length of very young children is important because weight-for-length standards are used to assess both under- and overweight. Clinical measurements of length, ...

Ordinarily, when you're cutting lengths of a material, you measure each piece with a tape measure then mark the cut point with a pencil before sawing. With the new M1 Caliber tool, however, neither of ...

I recently challenged the longstanding requirement among math teachers for students to “show your work.” Now it’s time to go after another common math teacher mandate: always use pencil. The reason I ...