viChapter
Rational Numbers:
Fractions
Chapter Opener....................... 107
5-1 Prime Factorization................ 108
5-2 Greatest Common Factor........... 110
5-3 Least Common Multiple............ 112
5-4 Fraction Sense: Close to 1,
0, , or 1........................ 114
5-5 Compare and Order
Rational Numbers................. 116
Check Your Progress I(Lessons 1–5)
5-6 Add and Subtract Fractions.... 118
5-7 Add and Subtract
Mixed Numbers.................. 120
5-8 Multiply Fractions............ 122
5-9 Multiply Mixed Numbers...... 124
5-10 Divide Fractions............. 126
5-11 Divide Mixed Numbers........ 128
Check Your Progress II (Lessons 6–11)5-12 Properties of Rational
Numbers........................ 130
5-13 Order of Operations
with Rational Numbers............. 132
5-14 Addition and Subtraction
Equations with Fractions........... 134
5-15 Multiplication and Division
Equations with Fractions........... 136
5-16 Solve Two-Step Equations
with Fractions.................... 138
5-17 Rename Customary Units
of Measure...................... 140
Check Your Progress III (Lessons 12–17)
5-18 Problem-Solving Strategy:
Make a Drawing.................. 142
Enrichment:
Different Ways to Find the GCF...... 144
Test Prep....................... 145
ChapterRatio and Proportion
Chapter Opener....................... 147
6-1 Ratio..................... 148
6-2 Unit Rate and Unit Cost....... 150
6-3 Write and Solve Proportions... 152
Check Your Progress I (Lessons 1–3)
6-4 Direct Proportion............ 154
6-5 Proportion by Parts.......... 156
6-6 Scale Drawings and Models... 158
6-7 Similarity.................. 160
6-8 Indirect Measurement........ 162
Check Your Progress II (Lessons 4–8)
6-9 Inverse Proportion........... 164
6-10 Dimensional Analysis.............. 166
Check Your Progress III (Lessons 9–10)
6-11 Problem-Solving Strategy:
Solve a Simpler Problem........... 168
Enrichment:
Bicycle-Gear Math................ 170
Test Prep....................... 1711
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