Page 192 - Basic College Mathematics with Early Integers

3
Fractions

3.1 Introduction to Fractions and
Mixed Numbers
3.2 Factors and Simplest Form
3.3 Multiplying and Dividing Fractions
3.4 Adding and Subtracting Like
Fractions, Least Common
Denominator, and Equivalent
Fractions
Integrated Review—Summary on
Fractions and Operations on
Fractions
3.5 Adding and Subtracting Unlike
Fractions
Fractions are numbers and, like whole numbers and integers, they can be added, subtracted, multiplied, and
divided. Fractions are very useful and appear frequently in everyday language, in common phrases such as “half an 3.6 Complex Fractions, Order of
Operations, and Mixed Numbers
hour,” “quarter of a pound,” and “third of a cup.” This chapter reviews the concept of fractions and demonstrates
how to add, subtract, multiply, and divide fractions. 3.7 Operations on Mixed Numbers

he following graph is called a circle graph or pie chart. Each sector (shaped like
a piece of the pie) shows the fraction of the type of areas maintained by the
Vocabulary Check
TNational Park Service. The whole circle represents the entire area maintained
by the National Park Service. In Section 3.2, Example 12 and Practice 12, and Chapter Highlights
Exercises 99 through 102, and Section 3.5, Exercises 87 through 90, we study this Chapter Review
circle graph further and use the information to explore the various types of lands
Chapter Test
that the National Park Service maintains.
Cumulative Review
Areas Maintained by the National Park Service
4 33
Parks Historic Parks
25 100
Parkways/
1
Scenic Trails
50
Recreation
2 Areas 1
Memorials 20
25
1
Rivers
25
Lakes/ 21
1 Monuments
Seashores 100
25 7
Battlefields
100
Source: National Park Service

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