This set is designed to be used during the first half of the year. The teacher's guide features objectives, materials needed, and a list of page numbers; teaching instructions are provided in a step-by-step, listed format that's incredibly easy to see and read. Reduced student pages are given with the correct answers overlaid. The textbook is designed for the 1st half of third grade, and covers numbers, addition, & subtraction to 10,000; estimation; bar models; multiplication tables of 6, 7, 8, & 9; division; and more. Real-life problems are included throughout all chapters. Examples are provided alongside helpful representations and explanatory text; fun games, hands-on activities, math journal, and "put on your thinking cap" exercises are also included. The consumable student workbook provides practice, assessment, and skill-development exercises. Cheery illustrations and easy-to-understand text give kids a fun atmosphere to work in. Each chapter includes "Put on Your Thinking Cap" problem solving exercises and a chapter review/test. This Math in Focus 3A kit includes: Math in Focus Teacher's Edition Grade 3 Part A, 273 pages, indexed, spiralbound, soft front-cover, hard back-cover. Math in Focus Student Book Grade 3 Part A, 286 pages, hardcover. Math in Focus Student Workbook, Grade 3 Part A, 200 pages, softcover.