Below, sorted roughly by topic, are some posts I think exemplify the work my students and I do together at school. Enjoy.
Probability & Statistics
Rabid Skunks: Type I and Type II Error
For Mathematics Teachers
Common Fractions, Number Lines, and Geogebra
Does the Size of a Fraction Bar Matter?
Piecewise Functions in Desmos and Geogebra
Cheating and Calculators
Final Exams: You Be the Judge!
Combining Like Terms and Teaching Factoring
Sequences on the TI-84 Calculator
Sorting Lists in Geogebra