3.1: Introduction Difficulty Level: At Grade Created by: CK-12 Share Add to Library Turn In Read Resources Details Loading... Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Image Attributions Show Hide Details Description No description available here... Tags: distributive property equalities functions (11 more) grid relationships inequalities interpreting representations order of operations patterns problem-solving strategies proportional reasoning unknowns variables varying quantities writing equations Grades: 1 Date Created: Jul 11, 2013 Last Modified: Oct 31, 2014 Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the section. Click Customize to make your own copy.