Toc: Title Page......Page 2 Contents Overview and Table of Contents......Page 5 Problem-Solving Overview......Page 22 Section 1: Lessons 1-10, Investigation 1......Page 27 Section 2: Lessons 11-20, Investigation 2......Page 96 Section 3: Lessons 21-30, Investigation 3......Page 170 Section 4: Lessons 31-40, Investigation 4......Page 242 Section 5: Lessons 41-50, Investigation 5......Page 317 Section 6: Lessons 51-60, Investigation 6......Page 384 Section 7: Lessons 61-70, Investigation 7......Page 453 Section 8: Lessons 71-80, Investigation 8......Page 523 Section 9: Lessons 81-90, Investigation 9......Page 583 Section 10: Lessons 91-100, Investigation 10......Page 652 Section 11: Lessons 101-110, Investigation 11......Page 725 Section 12: Lessons 111-120, Investigation 12......Page 799 Glossary with Spanish Vocabulary......Page 868 Index......Page 902