Feedback from Homework: Debrief on progress in giving reasons for discoveries.
Next, you will be given two pages comprising Session 3.
á Work on the train problems (some may look familiar) and keep trying for good reasons for the answers you believe are true.
á Then move on to work on ice cream and the official definitions of some math symbols: nPr. Answer questions using this idea.
After the break, you will be given two pages comprising Session 4.
á Fill in the table. Then work on the train problems and try to make the connections.
á Continue working on problems.
Some discussion and debriefing again and then we adjourn.
Answer these
questions; show your reasoning and problem-solving ideas as clearly as you can.
Part A. Do your best to answer one or two of these questions clearly and completely.
1. How many trains of length n are there? Why?
2. How many trains of length n are there that use only rods of length 1 or 2? Why?
3. How many trains of length n are there that use exactly one rod? Two rods? Three rods? Why?
Part B.
1. Write up what you consider one of your best answers from Problems 43-52.
2. Write up one or two of the Tough Stuff problems from Sessions 1, 2, 3 or 4.