Laura Kunzie, 8, and her father, John, brainstormed to create a game that would be fun for 3rd graders, yet challenge their math prowess. The result was Math-O-Rama, in which players have to answer… ...

Last week's story about what video game companies are doing to make their games more addictive made an impression on some Washington, D.C., third-graders. They wrote in with their thoughts.