Students encounter the 100’s chart in the primary grades. Learn how to build upon their understanding of simple arithmetic to foster a deep understanding of algebraic skills. A seamless transition from arithmetic to algebra will have all students engaged in learning. This intriguing exploration will engage your most reluctant learners as you provide critical skills practice, build number sense, and develop algebraic thinking skills. They will land safely in the world of algebra without injury! An excellent and proved activity for middle grades and high school.