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The Key To... series is a very self-instructional, unintimidating, programmed learning series. Covering seven basic topics, students can work through these horizontally or vertically. They are ideal for "homework" or a more topical approach to the subject. Presentation is done in a simple, friendly manner, incrementally, and with examples to follow as needed. Workbooks are thin and consumable. Answer keys are recommended. Order by the book or in sets.

We like this series because it encourages children to tackle these subject areas in as much depth as they can, rather than working strictly within the confines of an age-graded math program. Starting in 4th or 5th grade, I purchased a complete set of student workbooks for each child. Book 1 in each topic was put on the school book shelf. When Key to... was assigned, my children were free to work on whatever topic they chose, and they worked as much as they wanted. As soon as Book 1 in any subject was completed, it was replaced by Book 2. My oldest daughter sometimes got so involved that she just kept going!

Assessments for Key to Fractions, Decimals, Percents and Algebra are now available at the publisher's website (www.keypress.com/keyonline) on a subscription basis. As of this writing, cost is $5.95 per student per year, and a 30-day trial is available.



Download a PDF Sample of Algebra Download a PDF Sample of Geometry
Download a PDF Sample of Decimals Download a PDF Sample of Fractions
Download a PDF Sample of Measurement Download a PDF Sample of Metric Measurement
Download a PDF Sample of Percents

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All > Mathematics > PROGRAMS - OTHER > Middle / Upper Grades > Key To….Books >
Key to Percents Answers & Notes books 1-3

Key to Percents Answers & Notes books 1-3
Item #: 007112
ISBN: 9780913684610
Grades: 4-12
Author: Steven Rasmussen; David Rasmussen
Retail: $5.95
Rainbow Price: $4.45

Key to Percents Book 1: Concepts

Key to Percents Book 1: Concepts
Item #: 006666
ISBN: 9780913684573
Grades: 4-12
Author: Steven Rasmussen; David Rasmussen
Retail: $3.95
Rainbow Price: $3.45

Key to Percents Book 2: Percents & Fractions

Key to Percents Book 2: Percents & Fractions
Item #: 006667
ISBN: 9780913684580
Grades: 4-12
Author: Steven Rasmussen; David Rasmussen
Retail: $3.95
Rainbow Price: $3.45

Key to Percents Book 3: Percents & Decimals

Key to Percents Book 3: Percents & Decimals
Item #: 006668
ISBN: 9780913684597
Grades: 4-12
Author: Steven Rasmussen; David Rasmussen
Retail: $3.95
Rainbow Price: $3.45

Key to Percents Complete Set Workbooks + Keys

Key to Percents Complete Set Workbooks + Keys
Item #: PERCMP
Grades: 4-12
Retail: $17.80
Rainbow Price: $13.50

Key to Percents Complete Set Workbooks Only

Key to Percents Complete Set Workbooks Only
Item #: PERWKB
Grades: 4-12
Retail: $11.85
Rainbow Price: $9.25

Key to Percents Reproducible Tests for Books 1-3

Key to Percents Reproducible Tests for Books 1-3
Item #: 020917
ISBN: 9780913684955
Grades: 4-12
Author: Steven & David Rasmussen
Retail: $11.95
Rainbow Price: $9.50

Key to… Complete Set Workbooks + Keys

Key to… Complete Set Workbooks + Keys
Item #: KEYCMP
Grades: 4-12
Retail: $229.55
Rainbow Price: $165.95

Key to… Complete Set Workbooks Only

Key to… Complete Set Workbooks Only
Item #: KEYWKB
Grades: 4-12
Retail: $158.15
Rainbow Price: $113.95

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