Big Idea 3 · Topic 3.5 · Exercise 2
Write the Rule
25 minutes - 5 gate rules - write the Boolean expression
Back to the Topic 3.5 lessonAll CSP topics
How this page works
The writing boxes below are yours. What you type stays in this browser, is saved here as you go, and is never sent to us or to your teacher. Hand the written work in the way your teacher asked for it.
The graded check at the bottom is the part that records to your teacher's gradebook.
The cases, from your handoutNot recorded
The same cases as your handout, in the same order.
Scenario 1 · Foundational
Rule: a rider may board only if they are AT LEAST 48 inches tall. Variable: height.
The relational/logical operator the boundary word points to:
The Boolean expression (using the given variable names):
Enrichment - a boundary or inclusive/exclusive subtlety:
Scenario 2 · Core
Rule: the wait-time sign should light up only when the wait is MORE THAN 30 minutes. Variable: waitTime.
The relational/logical operator the boundary word points to:
The Boolean expression (using the given variable names):
Enrichment - a boundary or inclusive/exclusive subtlety:
Scenario 3 · Core
Rule: a rider may board only if they are tall enough AND they hold a ticket. Variables: tallEnough (Boolean), hasTicket (Boolean).
The relational/logical operator the boundary word points to:
The Boolean expression (using the given variable names):
Enrichment - a boundary or inclusive/exclusive subtlety:
Scenario 4 · Challenge
Rule: a guest may use the express lane if they are a VIP OR they hold a fast pass (having both is fine). Variables: isVIP (Boolean), hasFastPass (Boolean).
The relational/logical operator the boundary word points to:
The Boolean expression (using the given variable names):
Enrichment - a boundary or inclusive/exclusive subtlety:
Scenario 5 · Challenge
Rule: the gate should stay SHUT whenever the ride is NOT open. Variable: rideOpen (Boolean).
The relational/logical operator the boundary word points to:
The Boolean expression (using the given variable names):
Enrichment - a boundary or inclusive/exclusive subtlety:
No graded check on this page yetNot recorded
About the line in your handout
Your handout says this exercise is available online and auto-graded. The exercise IS here, and it is the same work in the same order, but the auto-graded half is not written for this topic yet. Nothing on this page is scored or sent to your teacher.
Hand this in the way your teacher asked for it. Topic 1.1 has its graded check today, and the rest follow.