Unit 1: Numerical Relationships: Lesson 4-1Unit 1: Numerical Relationships: Lesson 3-3 Unit 1: Numerical Relationships: Lesson 3-2 Unit 1: Numerical Relationships: Getting Ready Unit 1: Numerical Relationships: Getting Ready Unit 1: Numerical Relationships: Lesson 4-3 Lesson 5-1: Estimating Irrational Numbers. Unit 1: Numerical Relationships: Lesson 5-2 Lesson 7-1 Lesson 7-2 Scientific Notation: Power of Zero, Negative Exponents, and Ordering Operations with Scientific Notation How Big is That Planet? Lesson 8-1 Multiplying and Dividing in Scientific Notation Lesson 8-2 Adding and Subtracting in Scientific Notation