"The fun, engaging program that will help your child master the subtraction facts once and for all--without spending hours and hours drilling flash cards! Subtraction Facts That Stick will guide you, step-by- step, as you teach your child to understand and memorize the subtraction facts, from 2 - 1 through 18 - 9. Hands-on activities, games your child will love, and simple practice pages help your child remember the subtraction facts for good. In 15 minutes per day (perfect for after school, or as a supplement to a homeschool math curriculum) your child will master the subtraction facts, gain a greater understanding of how math works, and develop greater confidence, in just eight weeks! Mastery of the math facts is the foundation for all future math learning. Lay that foundation now, and make it solid, with Subtraction Facts That Stick!"--Back cover