This interface is meant to engage those studying mathematics education. Questions are designed to promote discussion of this lesson as appropriate for mathematical understanding and knowing.

Issues on the table include:

• What grade level is this activity/lesson appropriate for?
• Why?
• What mathematics can students learn as a result of this activity?
  • Order of operations?
  • Reverse Operations?
  • Numerical Manipulations?
  • Pattern Recognition?
• Does the initial set-up play a role in motivating the students?
• Why? Why Not? What can be changed?
• Does the absence of absolutely correct answers help students explore the problem?
• What type of classroom environment is assumed when posing problems of this type?
  • open?
  • exploratory?
  • rigid?
  • authoritarian?
  • teacher-centered?
  • student-centered?
• Do you think that this activity is fun? Why? Why Not?
• What type of questioning techniques are involved with helping students explore this activity?
• What standards from the NCTM are evident in initial viewing of this activity?
  • Communication?
  • Reasoning?
  • Problem-Solving?
  • Connections?
  • What Else?