Het volgende getal is....

Geef het volgende getal in dit rijtje...

• 1000003, 1000033, 1000037, 1000039, 1000081, 1000099, 1000303, ...

Ach ja...:-)

• Oplossing

Het klaslokaal van de toekomst

Het klaslokaal van de toekomst heeft 6 zones:

1. creëren
2. interactie
3. presenteren
4. onderzoeken
5. uitwisselen
6. ontwikkelen

"Created by European Schoolnet, the Future Classroom Lab (FCL) is an inspirational learning environment in Brussels, challenging visitors to rethink the role of pedagogy, technology and design in their classrooms. Through six learning zones, visitors can explore the essential elements in delivering 21st century learning: students' and teachers' skills and roles, learning styles, learning environment design, current and emerging technology, and societal trends affecting education."

• http://fcl.eun.org/learning-zones

Stretch Goals

Two circles intersect. A line AC is drawn through one of the intersection points, B. AC can pivot around point B — what position will maximize its length?

• Oplossing

Dat gaat zomaar niet...

$\begin{array}{l}  \log (3x{\rm{ }} + {\rm{ }}2){\rm{ }} + {\rm{ }}\log (4x{\rm{ }} - {\rm{ }}1){\rm{ }} = {\rm{ }}2\log 11 \\  3x + 2 + 4x - 1 = 22 \\  7x + 1 = 22 \\  7x = 21 \\  x = 3 \\  \end{array}$