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Crop circles
In the travel section of our newspaper this week, Wiltshire, England was a recommended destination to see Stonehendge and crop circles ........... crop circles? Many of the crop...
Algebra
Geometry
Grades 4–7
The tallest structure made of Legos
Act One: The world record for the tallest structure made of Legos was set in Seoul, South Korea. Check out this video on youtube! What other questions do...
Number Sense
Math and Social Studies
Grades 3–6
Linsanity
Jeremy Lin is the New York Knicks most startling player. His story is exciting in that he graduated from Harvard in 2010 and was not immediately drafted into...
Algebra
Number Sense
Grades 5–6
Valentine's Cardioid
WojciechSwiderski at the Polish language Wikipedia Happy Valentine's Day! This PDF contains four ways students can draw cardioids for Valentine's Day. There is no solution for this activity...
Geometry
Holidays and Annual Events
Grades 6–HS