Percent Increase and Decrease Quiz
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Grade 9 to 12 Groundhog Math Algebra Geometry Pre Calculus Trigonometry Function
Turn a familiar tradition into a rigorous mathematics investigation with this 10-page, black-and-white “Shadow Geometry: Can Math Predict the Sun?” worksheet pack for Grades 9–12. Students use geometry and introductory trigonometry to analyze whether shadow length can be used to predict the sun’s position—and whether a single Groundhog Day observation can meaningfully support seasonal predictions. This resource reframes Groundhog Day folklore as a mathematical modeling problem, guiding student
9th - 12th
Algebra, Geometry, PreCalculus
CCSS
HSN-Q.A.1
, HSN-Q.A.2
, HSN-Q.A.3
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