LEARNER OBJECTIVES:
TEKS / Texas Essential Knowledge and Skills:
 Distinguish between different data types.
 Apply rules of operation.
 Evaluate arithmetic expressions.


Math TAAS:

PROCEDURES/ACTIVITIES:
TAAS Activity: Compare rationals and real numbers using Scheme expressions.
 Explain terms/concepts:
 integers, rationals, reals
 inexact representation of a real number
 arithmetic expression
 parenthesized
 nested expressions
 rule: (operation A ... B)
 whenever A and B a numbers, evaluate the expression,
 otherwise, A and B are evaluated first.
 primitive operation
 advanced mathematical operation
 Exercise 2.1.1  Evaluation with advanced math operations
 Team expression evaluation contest

ASSESSMENT:
Written and program test on evaluating arithmetic expressions.

MATERIALS:
 Software: DrScheme Programming Environment
 Hardware: Dell 586, 75 mhz computer
 Reading from How to Design Programs: 2.1  Numbers and Arithmetic
