Illustrative Mathematics
Illustrative Mathematics: 8.ee Folding a Square Into Thirds
This exercise begins with students folding a square piece of paper according to directions and aligning it on a coordinate grid. They then must find and solve a pair of linear equations which can be used to understand how to fold a piece...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Lab Activity: Aviation
This site from the Illinois Institute of Technology provides a student lab activity in which the flight of a paper airplane is investigated and studied. Designed for primary grades, but easily adaptable for junior high learners.
Illustrative Mathematics
Illustrative Mathematics: F Tf, G Co, Trigonometric Identities and Rigid Motions
The purpose of this task is to apply translations and reflections to the graphs of the functions f(x)=cos x and g(x)=sin x in order to derive some trigonometric identities. There are also rotations 180 degrees about points on the x-axis...
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