A complete leveled textbook and workbook for Grade 10 geometry, with 60 lessons in 8 units: Tools of Geometry; Rigid Motions and Congruence; Triangle Congruence; Coordinate Geometry; Quadrilaterals; Dilations and Similarity; Right Triangle Trigonometry; Circles. Every lesson teaches the skill with a worked example, then gives practice at three levels: Take Off (with hints), Glide (on your own) and Soar (challenge). Extend and Challenge tasks apply each skill to real problems and push deeper thinking. Each lesson is labeled with the standard it practices (Common Core State Standards for Mathematics). The complete answer key is included at the back of the book. Full-color coil-bound book that lies flat for writing, 8.5 x 11 in, 334 pages.