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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

teacher, Keys School
Kathleen and Corrinne have been teaching Singapore math at Keys School for 13 years, and also do school trainings through the Pi Project. Singapore Math was the origin of our focus on Concrete -> Pictorial -> Abstract -> Challenge, and we see how appropriate this is for the multitude... Read More →

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