Lorelei Boschman
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Musical Notes (for Grades K-6)
Mike Pacheco, Heather Glynn Crawford-Ferre and Henry King
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Integrating Math and Music (for Grades 7-12)
Catherine Schmidt-Jones
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Open-Ended Questions
Lorelei Boschman
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The Pirates and the Diamond
Peter Liljedahl
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Kite in a Square
NRICH Mathematics
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Quick! Draw!
Adele Hanlon
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Number Sleuth
Cathery Yeh
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A Northern Lights Circle Problem
Gregory V Akulov
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Three Speedy Whales Solutions
The Author's Solution and Teachers' Solutions