Mobile Learning with Moodle, Mahara and Geogebra — Getting started

This term one of my classes (starting higher general secondary school with 14/15 year old students)  is a class equipped just with one pc and a beamer. No laptops and perhaps only sometimes the possibility to use a computer lab. […]

MINT/STEM education at high school increases chances of success very much at university

The son of my neighbour finished school a year ago and went to a renown University studying a technical subject. He told me, after one year of studying, that it’s very hard to master all the tasks and that he […]

Mahara survey: evaluation of students experience — part 2: ease of use

Here are some more results from my survey — setup and details see part 1. Please keep in mind that three different groups (which are rather small) have been asked – with different education level (9-11) and taught different subjects. The […]

Mahara survey: evaluation of students experience — part 1: age/subject

My use of Mahara (17.04 in conjunction with Moodle 3.3+) has been reported here. When the term is ending (end of june) time seemed right for looking back and getting some feedback. As a starting point I took a study […]

Mahara for learning and teaching

At our school Moodle is used since more than 15 years widely, an own instance is maintained by our IT department. This is not true for Mahara. So to use (is: installing and maintaining) my own Moodle/Mahara (Mahoodle) there had […]

AppInventor as a tool for applied Mathematics: GPS and coordinate transformations

Mobile devices offer a magnificent set of capabilities to use with studying physics — and this can be done with freely available software tools. Since five years I am using MIT AppInventor teaching programming courses for beginners and using it […]

Double Flipped Classroom Teaching Mathematics

“Flipped Classroom” by Mikel Agirregabiria is licensed under CC BY 2.0

The flipped classroom approach has advantages which are more striking than ever. My personal experience is a very strong dispersion of the speed of the learners. The (forced) ability to manage more than one task simultaneously in a multimedia setting with […]

Screencasts for Moodle on Mac: easy and (almost) free using H5P

Producing screencasts (for Moodle or WordPress) on Mac is done (according to my readings) often using established tools like Camtasia. After looking at the price tags I decided to look for something better and cheaper. There are three main requirements: Record my screen together […]

Teaching Linux with Virtualbox and Raspberry Pi


For a long time now I feel the need to teach Linux in my ICT classes as this opens a whole new world of possibilities and insights. Seeing only windows is a very limited view, especially never working on the […]

(My) Basic Rules of Good CAS Coding (in Geogebra)

When solving textbook examples often many styles of coding are possible. As everywhere some principles which are useful when programming have been proven very useful as best practice: Never copy results manually to progress with the calculation. Never. Don’t even […]