Key to Fraction
Key to Fractions®
Grades 4–12
Do you have students who have never mastered
fraction concepts or who need a good review? Key to
Fractions covers all topics from basic concepts to mixed
numbers and is written with secondary students in
mind. Minimal reading is required, so students can
easily work independently or in small groups.
These self-paced, self-guided workbooks motivate
students to succeed.

Prices : workbook Set $13.00:  Answer Key : $4.45
Key to Decimals
Key to Decimals®
Grades 4–12
Key to Decimals begins with basic concepts and
operations on decimals. Then it covers real-world uses
of decimals in pricing, sports, metrics, calculators, and
science.
The success-oriented approach of Key to Decimals
builds confidence and independence. You'll find this
series to be a great way to prepare for standardized
tests.

Prices : workbook Set : $13.00 ; Answer Key : $4.45
Key to Metric
Measurement
Key to Metric Measurement®
Grades 4–12
 
In this newest series of Key to. .  workbooks, students
learn how to measure in metric units—the only system
used in international commerce and communication,
and one becoming more and more prevalent in the U.S.
Students who learn to use the metric system early will
be more comfortable as adults with this form of
measurement.
The many creative activities in Key to Metric
Measurement are designed to help students learn at a
careful pace and may be done individually or in groups,
with some specific team projects in each book.
Interesting measurement activities involve the use of
real examples from many countries, such as maps of
Mexico and Japan, and a train schedule from China.
Prices : workbook set:$13.00; Answer Key: $4.45
Key to  
Measurement
Key to Measurement®
Grades 4–12
Students using Key to Measurement will enjoy a variety
of hands-on experiences related to the English system
of measurement. Group projects are included in
addition to numerous individual activities.
In Book 1, students learn how a linear measurement
system is developed and then do interesting and fun
activities related to measuring length. Book 2 focuses
on length, perimeter, and area measures. In Book 3,
the concept of area is further developed, and students
are introduced to volume. Book 4 covers a variety of
topics. Students experiment with weighing objects and
measuring capacity, and they also learn about
temperature and time.
Your students will develop a good understanding of
measurement topics, and have fun in the process
Prices : Workbook Set:$13.00; Answer Key: $4.45
Key to Percents
Key to Percents®
Grades 4–12
Key to Percents first emphasizes mental computation
and estimation skills, because most work with percents
is done without pencil and paper. Then students are
taught to solve percent problems using equal fractions
and decimal multiplication. Finally, percents are used to
solve word problems in a variety of applications. Key to
Percents assumes only a knowledge of fraction and
decimal computation.

Prices : workbook Set: $9.75; Answer Key: $4.45


Key to Series ....