Illuminations: Welcome to Illuminations

Explore our library of 108 online activities that help to make math come alive in the classroom or at home
View our collection of 607 lessons for preK-12 math educators
Learn about NCTM’s Principles and Standards for School Mathematics
Check out hundreds of exemplary online resources, as identified by an editorial panel
Highlighted Activity

Daily KenKen®
for

prek-8

KenKen is a logic puzzle that involves arithmetic. Similar to SuDoku, KenKen will exercise your mind as you fill in the blanks. Pick your poison — easy or hard, only addition or all four operations.

Solutions posted the following day… check back tomorrow!

 

Highlighted Lesson
Rubber Ducky, Where Are You?
PreK-2

Rubber duckyStudents will go on a scavenger hunt inside the classroom as they search for hidden rubber ducks. Without touching or collecting the ducks, students will create or choose a method for counting and compare methods of recording.

 

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Video: Serving Up Classroom Fun!

LauriePenneyLaurie Penney, a teacher at Willard School in Concord, Mass., was a participant at the 2011 Illuminations Summer Institute. As a follow-up to the lesson How Many Each?, which she created during the institute, she recently helped to develop Illuminations’s newest online activity, Quotient Café.

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Summer Learning

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Summer is a great time to get out and explore the world. A trip to the local historical spot or a virtual exploration of an online museum or a far-away country is a great way to engage in real-world, brain-expanding experiences. Thinkfinity's Content Partners have ideas and activities to make your summer fun and exciting, whether on the go or at home.

 


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