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Teaching Materials

On ‘Jaap².com’ you will find a lot of materials we used during workshops at Hermann Gmeiner Primary School, at Elim Primary School, at Windhoek College of Education, at UNAM or during training weeks with Junior Primary Advisory Teachers in Okahandja and Otjiwarongo.

You will find materials in the field of Number Concept Development, Geometry, Data Handling, Measurement and Hints for effective maths lessons.


The Teachers Guides are developed under the support of the Rössing Foundation in Namibia.

The following people are acknowledged:

  1. Teun Hanemaaijer – Rössing Foundation, Namibia
  2. Alina Niipare – NIED, Namibia
  3. Junior Primary Co-Group of 2013/14
  4. Junior Primary Panel members of 2013/15
  5. Jaap Griffioen – Rotterdam University, Holland
  6. Jaap de Waard – Rotterdam University, Holland

The workbooks ‘Math Tiger – Grade 1’ are composed by Teun Hanemaaijer, Jaap Griffioen and Jaap de Waard, in good cooperation with Alina Niipare.

You are free to download these items for non-commercial use in your own classroom situation, in courses Mathematics education, in discussion between staff members. Whatever  you like.

In forum you can share your experiences with the materials with your colleagues and you will be able to give us feedback and comments.

Sharing your experiences and your ideas will help you to develop your knowledge and will make you a  ‘richer person’.