The article is meant to present to middle and high school students to the principles underlying the rules of arithmetic of the integers and the rational numbers. The aim is to demystify and simplify those rules so that...

This short article aims to describe what variables are for the high school mathematics students, and what one can do with them.

This note has been made to specifically prepare for all kinds of Job Tests and various entry tests for students. The topics covered in it include Phrases and Clauses, Type of Sentnece, Conditional Sentences,...