
0.
New Year Tidings 
Bharath Sriraman (USA) 
pp. 12 
FEATURE ARTICLES

1. When is .999... Less Than 1? 
Karin Usadi Katz and Mikhail G. Katz (Israel) 
pp. 330 
2. High School Teachers use of Dynamic Software to generate serendipitous mathematical relations 
Manuel SantosTrigo and Hugo EspinosaPérez (Mexico) 
pp. 3146 
3. Gender and Mathematics Education in Pakistan: A situation analysis 
Anjum Halai (Pakistan/Tanzania)

pp. 4762 
4. Early Intervention in College Mathematics Courses: A Component of the STEM RRG Program Funded by the US Department of Education

Rohitha Goonatilake and Eduardo Chappa (USA) 
pp. 6374 
5. “What Was Really Accomplished Today?”
Mathematics Content Specialists Observe a Class for Prospective K–8 Teachers

Andrew M. Tyminski, Sarah Ledford, Dennis Hembree (USA)

pp. 7592 
6. Leading Learning within a PLC: Implementing New Mathematics Content

Ann Heirdsfield, Janeen Lamb, Gayle Spry (Australia) 
pp. 93112 
7. Mathematical Reasoning in Service Courses: Why Students Need Mathematical Modeling Problems

Kris H. Green & Allen Emerson (USA) 
pp. 113140 
8. Randomness: Developing an understanding of mathematical order. 
Steve Humble (UK) 
pp. 141148 
9. The Constructs of PhD Students about Infinity: An Application of Repertory Grids 
Serdar Aztekin, Ahmet Arikan (Turkey) & Bharath Sriraman (USA) 
pp. 149174 

