Quiz — Lecture 01

Section A from memory, one line each. Section B shows your reasoning - marks are for method, not final answers. Answers are discussed in class; the exit ticket goes on a card.

Section A

A1. Name the three parts of the problem frame used in every case.

A2. What is an assumption in this course?

A3. Give one reason two correct students can get different answers.

A4. What belongs in a problem's edge cases list?

Section B

B1. Frame the coffee card (buy 9, get the 10th free, 3.50 per paid drink, 22 drinks): inputs, outputs, rule, and ONE assumption you must state.

B2. A library fine is 0.50 per day up to 7 days, then 1.00 per day. List the inputs, outputs, and two ambiguities you would resolve with the librarian.

Exit ticket

Answer one of these on your card in 60 seconds (choose any one):

1. State the four questions you must answer before attempting any case.

1. Give one example of two defensible readings of the same rule.

1. Why is the five-minute attempt not wasted time?

Homework

• Before: skim the four student pages; attempt case 1 on paper.
• After: write a five-line pseudocode solution for any case you did not
• Enrichment (optional): the stretch question on each case page.