Which of the potential challenges raised by the authors do you feel is the most common for co-teachers? Why?

1. Which of the potential challenges raised by the authors do you feel is the most common for co-teachers? Why?

2. How can differences in teaching philosophies between co-teachers be addressed during shared planning time?

3. How can the components of number sense be utilized to make connections to higher-level mathematics concepts?

4. What does the author mean when she states that number sense is “not a progressive model wherein once one wedge is taught it is then seen as review material”?