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Welcome to the Teachers' Lounge. Read our conversations about teaching mathematics. You may wish to search by keyword or browse for topics that interest you.

Current conversations:
1. Rubrics in Elementary Math
An elementary in-depth problem; standards and beauty in teaching math
- Date of thread's last activity: 28 January 2009

2. Modeling Subtraction of Integers using Red and Yellow Counters
How to model addition and subtraction of integers with manipulatives.
- Date of thread's last activity: 23 January 2009

3. Negative numbers
Helping students to develop the concept of negative numbers. You CAN subtract a larger number from a smaller number!
- Date of thread's last activity: 14 January 2009

4. Coordinate graphing
Battleship as an activity for coordinate graphing
- Date of thread's last activity: 12 January 2009

5. Discovering Geometry, 2nd Edition
Seeking teacher resources for Discovering Geometry by Michael Serra
- Date of thread's last activity: 10 January 2009

6. Math 7-12
Math programs that use a mastery learning approach
- Date of thread's last activity: 23 December 2008

7. Use of commas in math
Should we require students use commas when writing large numbers? Why?
- Date of thread's last activity: 23 December 2008

8. Who invented math?
Discussing the invention of math
- Date of thread's last activity: 16 December 2008

9. Adapting a decimal lesson for struggling students
Laying a foundation for understanding decimals and adapting a lesson on adding and subtracting decimals.
- Date of thread's last activity: 14 December 2008

10. Use of calculators
Where to find research on the use of calculators in elementary classrooms.
- Date of thread's last activity: 8 December 2008

11. Writing algebraic expressions from verbal phrases
Suggestions for helping students understand the algebraic notation we use to represent differences expressed verbally.
- Date of thread's last activity: 7 December 2008

12. Becoming a math teacher
Preparing for a career as a math teacher for young children.
- Date of thread's last activity: 5 December 2008

13. Singapore math method
Singapore mathematics methods
- Date of thread's last activity: 18 November 2008

14. Counting Money
When do children learn to to count money?
- Date of thread's last activity: 11 November 2008

15. Teaching decimals with base ten blocks
Suggestions for using base-10 blocks to learn about decimals.
- Date of thread's last activity: 28 October 2008

- Date of thread's last activity: 23 October 2008

17. How do you become a math teacher?
Take all the math you can in high school; four years of college; student teaching.
- Date of thread's last activity: 22 October 2008

18. Lesson plan
Some effective lesson plans for proficiency math class
- Date of thread's last activity: 21 October 2008

19. math fluency
- Date of thread's last activity: 9 October 2008

20. Memorization of math facts