A 10-by-10 grid of dots can be color-coded, with each dot representing one percentage point ... If you need only two colors, be sure to select a pair with plenty of contrast, like a warm and a cool ...

A line graph is used to spot trends in data over time. In order to produce a line graph, data is required. The data often comes in the form of a table. A student recorded how much time they spent ...

connected by edges (or lines). One of the significant areas of research within graph theory is the study of path problems, particularly in grid graphs. Grid graphs are a specific type of graph ...