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National Institutes of Health

National Institute of Environmental Health Services: Brainteasers: Palindromes

For Students 3rd - 8th
This resource provides an interactive game, word lists and phrase lists all about palindromes.
eBook
Mathigon

Mathigon: Geometry: Symmetry

For Students 9th - 10th
This lesson focuses on symmetry including reflectional symmetry, rotational symmetry, and palindromes. It defines each, gives examples, and practice activities.
Activity
Other

Rhl School: Math Problem Solving

For Teachers 3rd - 5th Standards
Utilize this site for lesson plans and worksheets to help your students with math problem-solving.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Radar Bills

For Students 3rd - 8th
Have you seen a radar bill lately? Explore number patterns, number combinations, and probability in this math challenge that examines serial numbers on U.S. bills. A one page activity from the NCTM Math Challenges for Families series.
Handout
Other

Bob's Byway: Glossary of Poetic Terms

For Students 9th - 10th
Calling itself "unique," Bob's is easy to use, with cross-links throughout, phonetic pronunciation guides when necessary, and many examples and quotations. Click on the letter and scroll for the word.

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