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Can You Find the Area?
$40.00Running time: 30 minutes. (2005) This DVD shows 8 excerpts from a lesson study cycle that occurred during a 10day summer workshop on lesson study and algebra. During the first days of the workshop, teachers solve and discuss algebra problems, study state mathematics standards, and identify elementarygrade concepts critical to studentsâ€™ subsequent success in algebra.

Can You Lift 100 Kilograms?
$15.00Running time: 30 minutes. (2005) This DVD shows 8 excerpts from a lesson study cycle that occurred during a 10day summer workshop on lesson study and algebra. During the first days of the workshop, teachers solve and discuss algebra problems, study state mathematics standards, and identify elementarygrade concepts critical to studentsâ€™ subsequent success in algebra.

How Many Seats ?
$35.00Running time: 30 minutes. (2005) This DVD shows 8 excerpts from a lesson study cycle that occurred during a 10day summer workshop on lesson study and algebra. During the first days of the workshop, teachers solve and discuss algebra problems, study state mathematics standards, and identify elementarygrade concepts critical to studentsâ€™ subsequent success in algebra.

The Secret of Magnets
$15.00Running time: 30 minutes. (2005) This DVD shows 8 excerpts from a lesson study cycle that occurred during a 10day summer workshop on lesson study and algebra. During the first days of the workshop, teachers solve and discuss algebra problems, study state mathematics standards, and identify elementarygrade concepts critical to studentsâ€™ subsequent success in algebra.

The Secret of Trapezes
$15.00Running time: 49 minutes. (2003) A public research lesson taught by Akihiko Takahashi to fifthgraders in the San MateoFoster City School District, California, and attended by 100 U.S. educators. The lesson abridged is followed by highlights of the lesson colloquium. In this fifthgrade mathematics lesson, students solve a challenging, openended problem by usingâ€¦

Three Perspectives on Lesson Study
$40.00Running time: 30 minutes. (2005) This DVD shows 8 excerpts from a lesson study cycle that occurred during a 10day summer workshop on lesson study and algebra. During the first days of the workshop, teachers solve and discuss algebra problems, study state mathematics standards, and identify elementarygrade concepts critical to studentsâ€™ subsequent success in algebra.

To Open a Cube
$40.00Running time: 49 minutes. (2003) A public research lesson taught by Akihiko Takahashi to fifthgraders in the San MateoFoster City School District, California, and attended by 100 U.S. educators. The lesson abridged is followed by highlights of the lesson colloquium. In this fifthgrade mathematics lesson, students solve a challenging, openended problem by usingâ€¦