【實用教育app】Practice Math with Robin and Dob|最夯免費app-綠色工廠好玩App

Master addition and subtraction with math whizzes Robin and Dob. • Developed by a Math Ph.D student for his own kids. • Designed to provide kids the foundation they need for more advanced math. • Guaranteed to be fun and effective.• Includes a cool diploma to share with family and friends! Special features: • 10 levels for addition & bonus challenges. • 10 levels for subtraction & bonus challenges. • Unique, interactive tools. • Automatic progress tracking for up to 4 customizable profiles."My daughter always thought math was boring until we came across Robin and Dob. Now she smiles while she's practicing her addition and subtraction." -- Marlis Zimmerman, Appracadabra