# Lesson Study Toolkit Samples

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### Area of Polygons (recommended for elementary school grade teachers)

1. Area of Polygons toolkit (abridged version 2009)

2. Japanese Mathematics for Elementary School textbooks: Arithmetic grades 1 to 6, available from Global Education Resources (www.globaledresources.com). Cost: \$128.65 plus shipping.

3. Japanese Elementary Course of Study: Arithmetic grades 1 to 6, available from Global Education Resources (www.globaledresources.com). Cost: \$12.99 plus shipping.

4. Excerpts from the Japanese textbook Teachers' Manual - units related to the Area of Polygons.

5. Research Summary: Measurement of Geometric Objects © 2008 by Education Development Center, Inc. from Fostering Geometric Thinking. Portsmouth, NH: Heinemann. Used with permission. All rights reserved. Please visit their website at www.heinemann.com for more teaching resources and services. (Password protected, see above).

6. Can you Find the Area? - DVD (©2003)

7. Seeing Shapes within Shapes

8. TIMSS - Grade 8 Lesson -  Video Clip

9. Lesson Study Resources

10. Concept Map template.

### Proportional Reasoning (recommended for elementary and middle school grade teachers)

1. Proportional Reasoning toolkit (abridged version 2009)

2. Japanese Mathematics for Elementary School textbooks: Arithmetic grades 1 to 6, available from Global Education Resources (www.globaledresources.com). Cost: \$128.65 plus shipping.

3. Japanese Grades 7, 8 and 9 Mathematics textbooks, available from The University of Chicago Mathematics Project (http://ucsmp.uchicago.edu/; click on Translation Series under Resources Component for outline and order form.) Cost: \$57.00 plus shipping.

4. Excerpts from the Japanese textbook Teachers' Manual - units related to Proportional Reasoning.

5. Making Connections: A Case for Proportionality (Cramer & Post, 1993) provided by the Rational Number Project, available at: http://cehd.umn.edu/rationalnumberproject/93_3.html

6. Annotated guide for Resources on Proportional Reasoning.