Figure 19: Teacher guidance notes from PPN and LFG
Problems with Patterns and Numbers
![Figure 19 1/2](ppn/ppn_ibc.png)
The Language of Functions and Graphs
![Figure 18 2/2](lfg/lfg_ibc.png)
© ISDDE 2009 - all rights reserved
Burkhardt, H. (2009) On Strategic Design. Educational Designer, 1(3).
Retrieved from: http://www.educationaldesigner.org/ed/volume1/issue3/article9
Retrieved from: http://www.educationaldesigner.org/ed/volume1/issue3/article9