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 ...

Whether drawing realistic or abstract subjects, an understanding of tone, the variations of light and shade, is important. A variety of pencils are required to create a tonal study. The B range is ...

High school maths teacher Duong Van Kien in the central city of Da Nang has a unique way of encouraging his students, presenting them with his elegant handmade pencil sculptures. Math teacher Dương ...