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Explore our library of 103 online activities that help to make math come alive in the classroom or at home
View our collection of 511 lessons for preK-12 math educators
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Highlighted Activity
Frieze Patterns
Apply transformatations to patterns and designs.

Students will experiment with the seven classes of Frieze patterns and explore the transformations that constitute each of the seven categories.

Highlighted Lesson
Island Inequality Mat
Students use images to explore the concepts of greater than, less than, and equal to.
Using various instructional materials such as modelling clay, buttons, beans, and cotton balls, students create amounts to compare using the open-mouthed fish.

Professional Development

Book for Parents


Family GuideIlluminations is pleased to offer A Family's Guide: Fostering Your Child's Success in School Mathematics as a free, fully downloadable PDF document.


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