Diameter (mm)Number of bars per bundle6 mm90–100 bars8 mm10–12 bars10 mm7–8 bars12 mm5–6 bars16 mm3–4 bars20 mm2–3 bars25 mm1–2 bars

It’s undeniable that children learn from teachers, but sometimes, by talking or interacting with children, teachers also learn useful things from them. This intriguing lesson, “How Teachers Learn,” addresses this very topic. In this lesson, the narrator explains how he learned ...