1. The Four Operations

- Addition, Subtraction, Multiplication, and Division

- Properties of Operations

- Order of Operations

2. Decimals

- Place Value and Decimal Notation

- Decimal Operations: Addition, Subtraction, Multiplication, and Division

- Comparing and Rounding Decimals

3. Fractions and Mixed Numbers

- Understanding Fractions

- Equivalent Fractions and Simplification

- Adding, Subtracting, Multiplying, and Dividing Fractions

- Mixed Numbers and Improper Fractions

4. Ratios, Rates, Proportions

- Ratios and Rates

- Solving Proportions

- Proportional Relationships

5. Patterns and Sequences

- Recognizing Patterns

- Arithmetic Sequences

- Geometric Sequences

6. Rational Numbers

- Rational and Irrational Numbers

- Converting between Decimals and Fractions

- Operations with Rational Numbers

7. Three-Dimensional Figures

- Identifying 3D Shapes

- Volume and Surface Area of 3D Figures

8. Two-Dimensional Figures

- Properties of 2D Shapes

- Perimeter and Area of 2D Figures

9. Problem Solving and Estimation

- Problem-Solving Strategies

- Estimation Techniques

- Word Problems and Applications

10. Pythagorean Theorem

- Understanding the Pythagorean Theorem

- Applying the Theorem to Solve Problems