Course Number 82 Plant Mathematics - Positive and Negative Numbers 4 hours of instruction  Format: Programmed Instruction Self-study Price: $15.50

A refresher course on positive and negative numbers and their relationship to each other: using signs to determine positive or negative qualities; reading scale values above and below zero; adding negative numbers, positive and negative numbers; subtracting large positive numbers from smaller ones; and working problems that require the use of positive and negative numbers.

Prerequisites - Elementary school mathematics.

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