LEARNER OBJECTIVES:
TEKS / Texas Essential Knowledge and Skills:
 TLW apply mathematical claims in Scheme programs.
 TLW use arithmetic and relational operators.


Math TAAS:
Math 4.3 Find distance, perimeter, area, surface area, circumference, and volume.

PROCEDURES/ACTIVITIES:
TAAS Activity:
Write a conditional program which selects a problem from above list.
Write helper functions for each of the formulas.
 Explain terms:
 Different cases
 Data Analysis
 Number line strategy
 Borderline cases
 Distinct situations / amount of clauses
 Conditions that characterize a situation
 Claims about a program's parameters.
 Evaluated sequentially.
 List the steps in the design recipe for conditional programs.
 Exercises3.4.1, 3.4.2, 3.4.3, 3.4.4

ASSESSMENT:
Printed programs for interest, taxes, quadratic equation and charge rates.

MATERIALS:
 Software: DrScheme Programming Environment
 Hardware: Dell 586, 75 MHz computer
 Reading from How to Design Programs: C3.4  Designing Conditional Programs.
