Here is the PowerPoint presentation that was given at Maaslandcollege. The presentation is about "Activating thinking skills and differentiating - Enhanced by the use of digital learning resources".
Some usefull apps for preparing your lessons are listed in the PowerPoint presentation. Here is a quick overview of some apps:
Kahoot: online quizzes using smartphones or tablets
Cerego: flash cards and games for language learning
Simple Mind+: creating mindmaps
Quizlet: flash cards and games for language learning
Newsela: reading comprehension (differentiated reading)
Padlet: activating prior knowledge
Showbie: student portfolio management
iBooks: ebook app (Apple) to create interactive content
Pinterest: inspiration for students and teachers
Bookwidgets: creating interactive content
Apple Classroom: remotely launch apps, websites or books, lock devices
Nearpod: interactive app for teacher and students