Server Not Reachable. *This may be due to your internet connection or the nubtrek server is offline.*

Thought-Process to Discover Knowledge

Welcome to **nub****trek**.

Books and other education websites provide "matter-of-fact" knowledge. Instead, nubtrek provides a thought-process to discover knowledge.

In each of the topic, the outline of the thought-process, for that topic, is provided for learners and educators.

Read in the blogs more about the unique learning experience at nubtrek.continue

Books and other education websites provide "matter-of-fact" knowledge. Instead, nubtrek provides a thought-process to discover knowledge.

In each of the topic, the outline of the thought-process, for that topic, is provided for learners and educators.

Read in the blogs more about the unique learning experience at nubtrek.continue

Integers take a new name "*directed-whole-numbers*". That is, received an amount of 3 and given an amount of 3 are two different numbers with +3 (aligned to the chosen direction) and -3 (opposed to the direction). Learn in this

• What are directed numbers?

• How to handle direction in numbers?

• Sign and Absolute values of directed numbers

• *First Principles* of Comparison, addition, subtraction, multiplication, and division : directed numbers.

• *Procedural Simplification by sign and place value*

• Numerical Expressions with Directed Numbers - Precedence order and Sequence *(click for the list of lessons in this topic)*

Integer Multiplication & Division

Do you want to understand how the negative numbers are handled in multiplication and division?

In this lesson, learn the following for directed-whole-numbers.

• directed numbers multiplication in first principles -- repeatedly combining a quantity and measuring the combined and

• directed numbers division in first principles -- splitting a quantity into a number of parts and measuring one part

• simplified procedure : Sign Property of Multiplication

• simplified procedure : Sign Property of Division