Many who stumble through Algebra 1 do so because theyÕve yet to reach mastery in prerequisite concepts. This interactive book guides users through foundational skills necessary for successful matriculation through Algebra and beyond. With more than 150 problems and exercises, this guidebook is perfect for summer preparation usage prior to enrolling in Algebra, as well as a vital reference guide for those already enrolled in Algebra and preparatory and supplementary courses. Answer key is included.