In This Chapter You Will:
● Identify and compare ratios
● Find and compare unit rates, unit costs
● Write proportions and find the missing
term in a proportion
● Solve direct and inverse proportions
● Use dimensional analysis
● Solve problems involving similar figures
● Solve indirect measurement problems
● Apply the strategy:
Solve a Simpler Problem
●Look for new vocabulary words
highlighted in each lesson● Prime factorization is a way of
showing a composite number as
the product of prime numbers.
● The greatest common factor
(GCF) of two or more numbers is
the greatest number that is a factor
of each of the numbers.
● The least common multiple
(LCM) of two or more numbers is
the least nonzero number that is a
multiple of each of the numbers.
● The least common denominator
(LCD) is the least common
multiple of the denominators of
two or more fractions.- Skills Update Practice
- Practice Activities
- Audio Glossary
- Vocabulary Activities
- Calculator Activities
- Enrichment Activities
- Electronic SourceBook
Critical Thinking
Alison and Cynthia are each making a quilt of the
same size for their parents’ anniversary. Last
week Alison completed of her quilt, and
Cynthia completed of hers. This week Alison
completed of the remaining part of her quilt,
and Cynthia completed of the rest of hers. What
fraction of each quilt remains to be completed?
Who has the larger portion of work remaining?3(^458)
2
3
2
5
Chapter 6 147