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