Part 1/6:

Understanding Subtraction with Natural Numbers

Subtraction, much like addition, is a fundamental operation used in our daily lives. In this comprehensive lesson, we explore the concept of subtraction specifically with natural numbers, detailing its applications and procedures.

The Basics of Subtraction

Subtraction is the inverse operation of addition. For those unfamiliar with addition, supplementary resources are available (as mentioned by the instructor). Subtraction can be employed in three main contexts: to remove a quantity, to compare quantities, and to complete a quantity.

Subtraction as Removal

We first delve into the idea of subtraction as a means of removing or taking away a quantity. Consider the following real-life scenario:

Example Problem: