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Geometry/Measurement

Join us for a cohort meeting on Geometry and Measurement, where we will discuss angles, angle measurement, and nonstandard units of measurement. We will also engage in problem-solving activities and explore different angle concepts. Don't miss this opportunity to enhance your teaching skills!

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Geometry/Measurement

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  1. Geometry/Measurement Cohort Meeting 3 8:30-3:30 November 20, 2008 Mid-Central Educational Cooperative

  2. Check-In • Ground Rules • Introductions • Lunch (11:30)

  3. Quick Images

  4. Problem-solving Activity • Use the trapezoid, the triangle, and the blue rhombus from your pattern blocks to complete parts A, B, and C of this question. • Taken from 3-5 Assessment Sampler

  5. Measurement Concepts with TangramsUsing Nonstandard Units-being able to measure something without a tape measure is a skill that students need to know how to do but struggle with

  6. Today we will focus on Angles

  7. What is an ANGLE? • Jot down some ideas on what you believe an angle is

  8. Case Study-14 • What are Angles?

  9. Game: Angle Measurement: Questions to ask Students • How do you know when one angle is greater than another? • What benchmark angles can you use to help estimate the size of an angle? • Do the lengths of the sides of the angles influence which angle is greater?

  10. Case Study-15 • Angles and Turning

  11. This is an angle device that I created • to represent two rays that have a common end point. • Walk around with a partner and find different angles and write down what kind of a turn that was made to create an angle • Page 150-151 Sizing Up Measurement 3-5

  12. Exploratory Activity • Using the measuring device that was just created, how would I figure out what a quarter, half, three-quarters rotation would measure. • 360 degrees is what a complete rotation is worth. This is a fact. A piece of information that you just need to tell the students. Talk about recipe card

  13. Angles and Angle Measures • Do activity 1-2 page 50-51 in FG • Activities from Geometry Camp SEE GEOMETRY CAMP FOR IDEAS AND ACTIVITIES

  14. Video • “What is an Angle”

  15. Where are your students with the definition of angles?Talk at your tables-share large groupAn Assessment of Student’s

  16. Angles • A seven-day lesson plan • Each group of 3 will read and be ready to share with the large group ideas on how to make angles and exploratory activity • Chart paper and sharing

  17. Math Thinkers Article • Everyone Needs a Positive Story

  18. Presentations • Rose • Sheryl • Deb O. • Dodie • Kelsey • Karen

  19. Leadership - Madison • June 15 – 12:00 June 18 – 2:00 • Attending bonus

  20. SD Counts 4-5-6 • Continue with meetings 2-3/year • Do you have new math leaders who want to come on board • Willing to teach mini foundations? • Do you want to continue on as math leaders?

  21. Last meeting • December 18 • Presenters-Joleen, Sherry, Jolene, Karen, Renee • Read-Chapter 9 in Van De Walle book-share 2 big ideas • Measurement Activity • Cut 3 pieces of string. Ask the students how long they believe the string is and how do they know?

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