Derek Huby

Derek Huby
Go Figure

Go Figure! is an enjoyable and effective way to develop arithmetic and problem-solving skills. You can select math problems based on addition, subtrac …
First Count

Get counting with First Count! This fun and engaging app is expertly designed to provide structured support in counting collections of up to 10 object …
Go Count

Learn to count with Go Count! Designed by experts to incorporate the best research into children’s learning, Go Count! will help young learners to cou …