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GMU COMPLETE Center
Arranging Chairs Lesson Plan A VDOE SPONSORED MSP PROFESSIONAL DEVELOPMENT OPPORTUNITY THROUGH GEORGE MASON
UNIVERSITY
Fiona Cobb Clare Daly Anita Magrath Rolling Valley ES Springfield Estates ES Springfield Estates ESFairfax County Fairfax County Fairfax County
Tanya Matyi Jennifer Moore Lynbrook ES Kings Park ESFairfax County Fairfax County
Mary Randolph Pat Schreiber Springfield Estates ES Kings Park ESFairfax County Fairfax County
WG
Lesson Goals
Professional Learning Goals: Effectively teach multiple approaches to problem
solving Learn to anticipate the individual needs of students
and plan guided responses Work collaboratively to understand and apply the
process of Lesson Study
Lesson goals: (both immediate and long term)
Students will understand build the foundation for the communicative property
Introduce students to rectangular arrays Long term – these concepts will be the foundations
for learning about area, multiplication, multiple arrays (factors)
WG
Related SOL Objectives (2009)
Lesson Objectives:
SOL 3.6 Students will represent multiplication and division using area models and sets, and number line models, and create and solve problems that involve multiplication of two whole numbers, one factor 99 or less and the second factor five or less.
EK
Arranging Chairs Puzzle
Students were asked to arrange 12 tiles into straight rows for an audience to watch a play
Students drew and labeled arrangements on graph paper
TF
Example of Students’ Work
This example of student work shows all of the arrangements labeled.
Students worked in pairs to find the arrangements.
Analysis of student learning
Three levels of understanding:
Level One: Missing arrays One-by-one
counting or skip counting
EK
Modifications and Enhancements
Using sticky notes instead of SmartBoard tiles
Modeling task with actual chairs
Extended time Emphasize key
vocabulary (rectangle, down, across)
What We Learned collaborative
planning process assessment to
focus instruction revisions led to a
better lesson
students enjoyed making mathematical connections
student conversation led to deeper understanding
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