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PREFACE
This modular workbook entitled “Mastering Fundamental Operations and Integers
(modular workbook for First Year High School)” aims you to become well-versed in solving
any mathematical expressions and problems. This instructional material will serve as your first
step in entering the world of High School Mathematics.
This modular workbook is divided into two units: Unit I consists of four chapters which
pertain to the four basic operations in Mathematics dealing with whole numbers and Unit II
comprises to the use of four fundamental operations in integers.
In mastering the four fundamental operations, you will study the different parts of the
four basic operations (addition, subtraction, division and multiplication), and their uses and the
different shortcuts in using them. In this part, you will also learn how to check one’s operation
using their inverse operation.
In Unit II, you may apply all the knowledge that you have gained from Unit I. You may
encounter several expressions where you need to use all the knowledge that you have gained
from the unit, also you will learn the nature of Integers, and the Positive, Zero and Negative
Integers.
This instructional material was designed for the purpose of understanding the four
fundamental operations which deal with Whole Numbers and Integers and to have a deep interest
in exploring Mathematics.
The authors believe that after finishing this lesson, you will be able to feel that
EXPLORING MATHEMATICS IS INTERESTING AND FUN!!!
THE AUTHORS