Skip to main content
Sample Programs Online
Request a Print Sample
Contact a Rep
ALEKS Adventure
Building Blocks PreK
Sample Programs Online
Request a Print Sample
Contact a Rep
Sample Programs Online
Request a Print Sample
Contact a Rep
Sample Programs Online
Request a Print Sample
Contact a Rep
Sample Programs Online
Request a Print Sample
Contact a Rep
ALEKS Adventure
Building Blocks PreK
Reading Laboratory
Sample Programs Online
Request a Print Sample
Contact a Rep
Asi se dice cover
Sample Programs Online
Request a Print Sample
Contact a Rep
Entrepreneurship Fundamentals cover
Sample Programs Online
Request a Print Sample
Contact a Rep

Traditional Ordering


Shop Online


For Your Classroom & School


Our Principles


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

Number Worlds, Prevention Level A Teacher Edition

Number Worlds, Prevention Level A Teacher Edition

National Edition
MHID: 0021294135 | ISBN 13: 9780021294138
Grades: K - 1

Payment Options: During checkout, you can pay with a P.O. (simply enter the number), Credit Card, or PayPal.

Prevention Levels (A–C) are designed to systematically teach students the foundational skills and concepts needed to succeed with math. The teacher edition provides lesson plans, Project Based Learning, and a differentiated learning guide.

Title ISBN 13 Price
Number Worlds CCSS Level A, Prevention Print Teacher Package 9780021296224 $997.92
ISBN 13
9780021296224
Price
$997.92