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Section 1-1 UNDERSTANDING WHOLE NUMBERS
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4 5 6 7 8 9 – 15 – 9 8 7 6 5 4 3 2 1
Printed in the United States of America
ISBN 978-0-8269-2250-2
This book is printed on recycled paper.
Chapter 1 Working with Whole Numbers 1
Section 1-1 UNDERSTANDING WHOLE NUMBERS __________________________ 2
Math Exercises: Expressing Whole Numbers 4
Section 1-2 ADDING WHOLE NUMBERS ____________________________________ 4
Math Exercises: Adding Whole Numbers 7 Practical Applications: Adding Whole Numbers 7
Section 1-3 SUBTRACTING WHOLE NUMBERS ______________________________ 8
Math Exercises: Subtracting Whole Numbers 10 Practical Applications: Subtracting Whole Numbers 10
Section 1-4 MULTIPLYING WHOLE NUMBERS _____________________________ 11
Math Exercises: Multiplying Whole Numbers 15 Practical Applications: Multiplying Whole Numbers 15
Section 1-5 DIVIDING WHOLE NUMBERS _________________________________ 16
Math Exercises: Dividing Whole Numbers 19 Practical Applications: Dividing Whole Numbers 19
Chapter 1 REVIEW ______________________________________________________ 21 Chapter 1 TEST _________________________________________________________ 23
Chapter 2 Working with Simple Fractions 27
Section 2-1 UNDERSTANDING FRACTIONS ________________________________ 28
Math Exercises: Proper Fractions, Improper Fractions, and Mixed Numbers 32
Section 2-2 UNDERSTANDING FACTORS __________________________________ 32
Math Exercises: Finding Prime Factors 34 Math Exercises: Finding Common Factors 36
Section 2-3 FINDING EQUIVALENT FRACTIONS ____________________________ 36
Math Exercises: Reducing Fractions to Lowest Terms 37 Practical Applications: Reducing Fractions to Lowest Terms 38 Math Exercises: Reducing Fractions to Lowest Terms with a Given Denominator 39 Practical Applications: Reducing Fractions to Lowest Terms with a Given Denominator 40 Math Exercises: Changing Fractions to Higher Terms with a Given Denominator 41 Practical Applications: Changing Fractions to Higher Terms with a Given Denominator 41 Math Exercises: Finding the Lowest Common Denominator 43 Practical Applications: Finding the Lowest Common Denominator 44 Math Exercises: Changing Fractions to Their Lowest Common Denominator 45 Practical Applications: Changing Fractions to Their Lowest Common Denominator 45
