170 threads found:
- 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 - Manipulatives for square roots
Helping students understand square roots visually when they're not dealing with perfect squares. - Date of thread's last activity: 4 December 2007 - Code breaking - History
Including history when teaching encoding and decoding using matrices. Was the Enigma machine based on matrices or another encryption technique? - Date of thread's last activity: 20 January 2012 - 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 - 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: 3 December 2016 - Distributive property using manipulatives
Teaching the distributive property to students whose first language is not English. - Date of thread's last activity: 4 January 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 - Teaching algebra to a non-English speaker
Techniques for teaching algebra to a Spanish-speaking student - Date of thread's last activity: 2 December 2007 - 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 - Solving algebraic equations
Teaching students to solve equations with a single variable - Date of thread's last activity: 11 June 2014
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