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© Prepared by the LAUSD Secondary Math Unit, 2008
GEOMETRY Welcom
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OutcomesParticipants will:• Deepen their understanding of important
geometrical ideas through their experience in solving a student concept task and its extension activity
• Increase their understanding of research-based strategies to meet the needs of ALL students, including EL, SEL, and SWD and Gifted
• Experience using elements of the Thinking Through a Lesson Protocol to facilitate the planning of the implementation of the Unit 3 Concept Task
Agenda: Unit 3
Concept Task: The Chocolate Factory Extension Task: Perimeter and Area
-------------------------------Debriefing the Task: Mathematics and
StrategiesAcademic Vocabulary Development:
3x3 Sentence Builder-------------------------------
Planning: Addressing student misconceptionsFeedback & Close
© Prepared by the LAUSD Secondary Math Unit, 2008
GEOMETRY
Fold the following Shapes
What kind of questions could we ask about these shapes and the process?
A cylinder
A square prism
A triangular prism with an equilateral triangle for a base
© Prepared by the LAUSD Secondary Math Unit, 2008
GEOMETRY
What’s your favorite type of chocolate?
© Prepared by the LAUSD Secondary Math Unit, 2008
GEOMETRY
Concept Task: The Chocolate Factory
© Prepared by the LAUSD Secondary Math Unit, 2008
GEOMETRY
Extension Task: Perimeter and Area
Find a formula for the area of a regular polygon with n sides and perimeter p
© Prepared by the LAUSD Secondary Math Unit, 2008
GEOMETRY
Lesson Debrief: Mathematics
• What mathematical understandings would we want students to walk away with as a result of engaging with this task?
• What would you see or hear that may let you know that the students are meeting the overall mathematical objectives when they engage in this task?
© Prepared by the LAUSD Secondary Math Unit, 2008
GEOMETRY
Lesson Debrief: Strategies
• In our engagement with this task today, what instructional strategies did you see modeled in the task?
• How would the use of these strategies contribute to increased access to the mathematics for all students, EL, SEL, SWD, & gifted?
© Prepared by the LAUSD Secondary Math Unit, 2008
GEOMETRY
• 3x3 Sentence BuilderUse the paper provided which has 9 squares.
Pick 9 words from the target vocabulary list.
Place a word into each of the 9 squares.
Create a sentence using the 3 words on each vertical column, each horizontal row, and both diagonals for a total of 8 sentences.
Be prepared to share your sentences.
© Prepared by the LAUSD Secondary Math Unit, 2008
GEOMETRY
Thinking Through a Lesson Protocol
© Prepared by the LAUSD Secondary Math Unit, 2008
GEOMETRY
TTLP: Student Misconceptions
© Prepared by the LAUSD Secondary Math Unit, 2008
GEOMETRY
TTLP: Student Misconceptions
• In your groups, come up with four misconceptions you think students will make.
• Discuss: – Where in the task would this be evident?– What strategy(ies) would you use to address
this misconception– Describe how this/these strategy(ies) will
address this misconception
© Prepared by the LAUSD Secondary Math Unit, 2008
GEOMETRY
© Prepared by the LAUSD Secondary Math Unit, 2007
Secondary Mathematics
Los Angeles Unified School District
333 South Beaudry
Los Angeles, CA 90017
Tel: (213) 241-2465
Fax: (213) 241-8450
Jeanne Ramos
Director
Thank you for your investment in raising student achievement!
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