Grading like mad as the end of the year approaches? Lighten up for a moment and take a look at Randy Glasbergen's education cartoons for teachers. Some of these really hit the nail on the head. Like the one where a teacher speaks to the confused child who stands at the front of the classroom, having been asked to solve a math problem for the class: "There aren't any icons to click," she says. "It's a chalkboard."

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