Need help downloading the question sets below? Click here.   Decimals     Lesson 2-1 Understanding Decimals Lesson 2-2 Comparing and Ordering Decimals Lesson 2-3 Rounding Decimals Lesson 2-4 Estimating with Decimals Lesson 2-5 Adding and Subtracting Whole Numbers and Decimals Lesson 2-6 Multiplying Whole Numbers and Decimals Lesson 2-7 Dividing by a Whole Number Lesson 2-8 Problem-Solving Skill: Interpreting Remainders Lesson 2-9 Dividing by a Decimal Lesson 2-10 Multiplying and Dividing by Powers of Ten Lesson 2-11 Scientific Notation Lesson 2-12 Solving Equations with Decimals Lesson 2-13 Problem-Solving Strategy: Write an Equation