Chapter 1 Lessons

1.1. Alegbra - Number Patterns

1.2. Round to the Nearest Ten or Hundred

1.3. Estimate Sums

1.4. Mental Math Strategies for Addition

1.5. Algebra - Use Properties to Add

1.6. Use the Break Apart Strategy to Add

1.7. Use Place Value to Add

1.8. Estimate Differences

1.9. Mental Math Strategies for Subtraction

1.10. Use Place Value to Subtract

1.11. Combine Place Values to Subtract

1.12. Problem Solving - Model Addition and Subtraction

Practice Link: Math Playground

Practice Link: Fact Monster