Chapter 1: Number Sense and Variable Expressions Difficulty Level: Basic Created by: CK-12 CK-12 Middle School Math - Grade 6 Read Resources Details Chapter Outline 1.1. Operations with Whole Numbers1.2. Whole Number Estimation1.3. Powers and Exponents1.4. Order of Operations1.5. Variables and Expressions1.6. A Problem Solving Plan1.7. Problem Solving Strategies: Guess, Check and Revise; Use Mental Math Chapter Summary Image Attributions Description This chapter covers the concept of whole numbers and defines the basic order of operations. Students are also introduced to variables and expressions; exponents; and estimation. Difficulty Level: Basic Authors: Jen Kershaw Randy Green Tags: CK.MAT.ENG.SE.1.Math-Grade-6.1 estimation Exponents (3 more) order of operations Variables and Expressions whole numbers Subjects: mathematics Grades: 6 Date Created: Dec 10, 2014 Last Modified: Jan 14, 2015 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.