10 seconds of math vs Citizendium
A side-by-side look at 10 seconds of math and Citizendium. For an in-depth review of either product, follow the links below.
10 seconds of math
Education & Reference
10 seconds of math is a free math game designed for elementary school students to practice basic arithmetic. Players compete to correctly answer as many randomized addition, subtraction, multiplication and division problems as possible within 10 seconds.
matharithmeticadditionsubtractionmultiplicationdivisiongameeducation
Citizendium
Education & Reference
Citizendium is an open, wiki-based online encyclopedia launched in 2007 as an alternative to Wikipedia. It aims to have articles written and reviewed by experts in order to ensure quality.
open-sourcewikiencyclopediaalternative-to-wikipediaexpert-reviewed
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