221 threads found:
- 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
- Dividing fractions
Sometimes it seems like you can divide across instead of inverting and
multiplying. Why?
- Date of thread's last activity: 7 June 2012
- Which algorithms should we still teach in high school?
With technology available in classrooms, should we be teaching the square
root algorithm? Cramer's rule? Descartes rule of signs?
- Date of thread's last activity: 10 November 2006
- The geometry of the complex roots of graphs
Interesting way of looking at the geometry of the complex roots of graphs
- Date of thread's last activity: 13 September 2012
- Graphing: discrete vs continuous data
How do you know when to "connect the dots" on a graph and when not to?
- Date of thread's last activity: 24 September 2010
- Conceptual vs procedural knowledge
Understanding the relationship between conceptual and procedural knowledge
- Date of thread's last activity: 3 September 2006
- Determinant used to find the area of a triangle given the three vertices
Finding the area of a triangle using determinants
- Date of thread's last activity: 7 December 2006
- Mental arithmetic problem for teacher
Improving mental math abilities at any age
- Date of thread's last activity: 29 September 2006
- Solving algebraic equations
Teaching students to solve equations with a single variable
- Date of thread's last activity: 20 June 2011
- Integers
Adding and subtracting negative integers
- Date of thread's last activity: 23 March 2007
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