Welcome at the homepage of Willem Uittenbogaard



Still involved in the development of inservice materials for teachers and student teachers.

Now (2018) working as a mathematics teacher trainer at the Marnix Academie, University of Applied Sciences in Utrecht.

In the second half year of 2017 at InHolland University of Applied Sciences in Alkmaar.

Retired as researcher at Curious Minds, a project in which we were looking for talents on math and science of young children in the age 3-5 (see

Also developer of the website
www.rekenbeter.nl , a site for everyone who loves math.

In the past I worked for two years at
City College in New York at the inservice of primary school teachers, the Math in the City Project.

I worked at an inservice program for primary school teachers in Cebu at the Philippines and in Bariloche, Argentina.


Main fields of interest

Research for talents of young children (3-5)

Curriculum development for primary education and primary teacher education

Inservice teacher education


CV, publications and presentations


List of


Mathematics in the City: Past, Present and Future

Rational numbers

Photographic images as Artifacts for mathematical inquiry



Recent lectures

PTA meeting, OBS De Kern Ede, 4 october 2016,
Vroeger en nu

Interactive lecture, Hogeschool Saxion Deventer, 8 april 2015,
Rekenen een raadsel

Guest lecture, Hogeschool Haarlem, 23 april 2015,
Chinezen, stukken touw en een cabriolet


Tallinn, Estonia: 50 degrees?
What is the gradient percentage?
Can you bike there?


Lesson of the month: Earth, sun and moon (in Dutch)






Willem Uittenbogaard

Freudenthal Institute, Utrecht University

PO Box 85170,

3508 AD Utrecht,

The Netherlands





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