**The Teachers' Lounge**

**Welcome** to the Teachers' Lounge, where you can participate in current math education discussions hosted by Teacher2Teacher. Read our conversations about teaching mathematics, contribute your own ideas, and ask related questions. You may wish to **search** by keyword or **browse** for topics that interest you.

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Current conversations:

- Counting Coins

Helping a second grader find the value of a group of coins.

- Date of thread's last activity: 6 March 2008

- Probability with dice

Counting possible outcomes when rolling two six-sided dice.

- Date of thread's last activity: 4 March 2008

- Fibonacci Sequence

A variety of activities for children grades 3 to 6 that incorporate the Fibonacci sequence

- Date of thread's last activity: 4 March 2008

- Algebra and the # symbol

Using # to express a function. How do you solve it?: If a#b = 3a + 2b, find 5#6.

- Date of thread's last activity: 4 March 2008

- Converting whole numbers and decimals to percents

Simplest way to teach a student how to convert whole numbers and decimals into percents.

- Date of thread's last activity: 3 March 2008

- Cylinders

Helping students design a cylinder with the optimal volume and minimal surface area.

- Date of thread's last activity: 29 February 2008

- Subtraction with regrouping

Suggestions for alternate subtraction algorithms.

- Date of thread's last activity: 28 February 2008

- Why do we learn math?

Understanding why we study math

- Date of thread's last activity: 27 February 2008

- Caret symbol: ^

Where does the name "caret" for the ^ symbol come from?

- Date of thread's last activity: 21 February 2008

- Journal articles for 7 - 12 grade math

Suggestions for good journal articles on middle and high school teaching.

- Date of thread's last activity: 19 February 2008

- Multiplication teaching strategies

Teaching multiplication to fourth graders for understanding and fluency.

- Date of thread's last activity: 18 February 2008

- Math language

Suggestions for using word walls to develop math vocabulary. Caution about teaching key words.

- Date of thread's last activity: 17 February 2008

- Teaching area of parallograms

Suggestions for helping students understand why the perpendicular height of a parallelogram, not its side length, is used to calculate area.

- Date of thread's last activity: 14 February 2008

- Use of matrices in transformation

Transformations using matrices

- Date of thread's last activity: 13 February 2008

- Pre-algebra and algebra software

Software and web-based applications for teaching middle school math

- Date of thread's last activity: 9 February 2008

- Prime factorization using trees

Prime factorization using factor trees

- Date of thread's last activity: 6 February 2008

- 3rd grade math enrichment

Suggestions for enrichment for advanced third grade students.

- Date of thread's last activity: 5 February 2008

- Multiplication and fractions in gr 2

Suggestions about the sequence of teaching multiplication and fractions in grade 2.

- Date of thread's last activity: 2 February 2008

- Interpreting remainders in division

How to interpret remainders in division word problems.

- Date of thread's last activity: 30 January 2008

- Coaching math team

Suggestions for coaching a middle grades math team.

- Date of thread's last activity: 27 January 2008

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