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Friday, October 25 • 11:15 - 12:30
What is a "Sandwich Unit"?

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What if we designated one skill a year as “indispensible”? How would we guarantee that all our students move on to the next grade with good mastery of at least that skill? Our answer is what we call “sandwich units.” Start the most important concept early in the school year. Use concrete investigations and games, withholding the algorithm. Go on to other units as usual, but keep touching on that vital concept for weeks or months, using puzzles, investigations and challenges. Finally, in the spring, offer the algorithm as an alternative, and finish the year with practice at the abstract level. Come with questions!

avatar for Kathleen Jalalpour

Kathleen Jalalpour

math teacher, Keys Middle School
Kathleen is a veteran math teacher with 35 years of experience, including teaching and training schools in Singapore Math. She is a recipient of the 2018 Sarah Barder Excellence in Teaching award from the Johns Hopkins Center for Talented Youth. She is also the author of The First... Read More →

Friday October 25, 2019 11:15 - 12:30 PDT