## Chapter 1

### Lesson Introduction Videos

Lesson 1 - Place Value and Patterns

Essential Idea: How can you describe the relationship between two place-value positions?

Lesson 2 - Place Value of Whole Numbers

Essential Idea: How do you read, write, and represent whole numbers through hundred millions?

Lesson 3 - Properties

Essential Idea: How can you use properties of operations to solve problems?

Lesson 4 - Powers of 10 and Exponents

Essential Idea: How can you use an exponent to show powers of 10?

Lesson 5 - Multiplication Patterns

Essential Idea: How can you use a basic fact and a pattern to multiply by a 2-digit number?

Lesson 6 - Multiply by 1-Digit Numbers

Essential Idea: How do you multiply by 1-digit numbers?

Lesson 7 - Multiply by Multi-Digit Numbers

Essential Idea: How do you multiply bu multi-digit numbers?

Lesson 8 - Relate Multiplication to Division

Essential Idea: How is multiplication used to solve a division problems?

Lesson 9 - Problem Solving - Multiplication and Division

Essential Idea: How can you use the strategy solve a simpler problem to help you solve a division problem?

Lesson 10 - Numerical Expressions

Essential Idea: How can you use a numerical expression to describe a situation?

Lesson 11 - Evaluate Numerical Expressions

Essential Idea: In what order must operations be evaluated to find the solution to a problem?

Lesson 12 - Grouping Symbols

Essential Idea: In what order must operations be evaluated to find a solution when there are parentheses within parentheses?