Chapter 9: Algebra Explorations, Grade 7 Difficulty Level: Basic Created by: CK-12 Algebra Explorations, Pre-K through Grade 7 Read Resources Details Chapter Outline 9.1. Introduction9.2. X the Unknown9.3. Letter Grids 1-49.4. Letter Grids 5-69.5. Letter Grids Extra for Experts9.6. Hanging Scales9.7. Hanging Scales Extra for Experts9.8. Speedo9.9. Lines of Numbers9.10. Lines of Numbers Extra for Experts9.11. Fruit Confusion9.12. Fruit Confusion Extra for Experts9.13. Yummy Yogurt and Yummy Yogurt Extra for Experts9.14. Pedal Power9.15. Pedal Power Extra for Experts Chapter Summary Image Attributions Description CK-12 Algebra Explorations presents algebraic concepts to 7th graders through hands-on activities and problem solving. Difficulty Level: Basic Authors: Mary Cavanagh, Executive Director of the PRIME Center Carol Findell, Professor of Mathematics Education Carole Greenes, Associate Vice Provost for STEM Education, Professor of Mathematics Education, and Director of the PRIME Center Tags: CK.MAT.ENG.SE.1.Algebra-Explorations-K-7.9 distributive property equalities (12 more) function rules grid relationships inequalities interpreting representations order of operations pattern recognition problem-solving strategies proportional reasoning unknowns variables varying quantities writing equations Subjects: mathematics Date Created: Jul 11, 2013 Last Modified: Nov 05, 2014 You can only attach files to chapter which belong to you If you would like to associate files with this chapter, please make a copy first.