Provides “standards-based resources and materials that illuminate the vision of NCTM for school mathematics and improve the teaching and learning of mathematics for each and every student. Lessons and activities on Illuminations have been developed in alignment with NCTM’s Principles and Standards for School Mathematics and the Common Core State Standards.”

Assortment of games, songs and activities - “Lesley University’s Center for Mathematics Achievement in collaboration with the Kentucky Center for Mathematics have put together this resource guide for parents and caregivers to be able to support children’s mathematics learning at home during school closures for the COVID-19 outbreak.  All the suggested resources below are free, with the exception of the board games.”

Math at Home - Addition and Subtraction Activities for Grades K-4

Videos and Activities 

Games, Puzzles, Books, etc.

Various Resources - Games, Blog Posts, Ted Talks, Websites, Podcasts, etc.