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Bajillions Early Math

Built around the science of young children’s math thinking and learning, Bajillions builds on what children already know, helping them level up to learn foundational math. Each game level is matched to a level of the developmental progression of children’s math learning. Children become mathematicians challenging themselves to investigate and explore. In-person activities matched to these levels are available at

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Age Range: 2 - 8 years

Devices: All devices running Chrome OS, Windows, Mac OS, Android OS, or iOS

Game Development Partners: Marsico Institute for Early Learning at the University of Denver and FableVision

Develops counting, subitizing, composing number, addition and subtraction, multiplication and division, 2D shapes, shape composition, and spatial visualization.

Meets and extends educational standards.

Funded by the National Science Foundation and Institute of Education Sciences.