Addition Facts that StickAddition Facts That Stick will guide you, step by step, as you teach your child to understand and memorize the addition facts, from 1 + 1 through 9 + 9. Hands on activities, fun games your child will love, and simple practice pages help young students remember the addition facts for good. In 15 minutes per day (perfect for after school, or as a supplement to a homeschool math curriculum) any child can master the addition facts, gain a greater