When we use this technique, we are mixing colors -- not by blending them together -- but by placing two colors side by side. It's called the optical mixing of colors. For instance, we may place clusters of red dots and surround them with yellow dots. Up close we will see red and yellow, but from a distance, we will see orange.
Fourth graders have been applying these concepts in the creation of their own pointillistic drawings. Most students are finishing up this week. Here are a few of them.