Camp Add-em-Up

Camp Add-em-Up is a camp mentioned in the episodes iTwins and iBeat the Heat. Spencer previously attended this camp as a kid. In the episode iTwins, after tricking Chuck Chambers into failing his math test, Spencer and Carly convince his father to signing him up for the camp and give him a brochure.

Trivia

 * When Chuck appears in iBeat the Heat, he offers a drink to Spencer which he says he learned how to make at Camp Add-em-Up. This hints that the camp also offers non math-related activities.

Credits to

 * iCarly Wiki on Fandom