My Account Details
PreK–12 educators will see school pricing in their cart after logging in.

Key to Fractions, Book 1: Fraction Concepts
Payment Options: During checkout, you can pay with a P.O. (simply enter the number), Credit Card, or PayPal.
My Account Details
Log In to My PreK-12 Platform
Log In to My Higher Ed Platform
My Account Details
Log In to My PreK-12 Platform
Log In to My Higher Ed Platform
PreK–12 educators will see school pricing in their cart after logging in.
Payment Options: During checkout, you can pay with a P.O. (simply enter the number), Credit Card, or PayPal.
Key to Fractions covers topics from basic concepts to mixed numbers. Handwritten examples provide a non-threatening model, and exercises are structured to ensure student success. Key to Fractions works well for elementary students learning new skills as well as for older students revisiting topics.
Includes: Book 1 of Key to Fractions
Title | ISBN 13 | Price |
---|---|---|
Key to Fractions, Books 1-4 Set | 9781559531009 | $29.84 |
Social Studies
View all Social Studies Programs
IMPACT (K–5)
Actively Learn (3–12)
New Social Studies (6–12)
Networks (6–12)