This learning resource focuses on converting terminating decimals into simplified fractions, emphasizing the identification of numerators and denominators to demonstrate the definition of rational numbers. Students will learn to place decimals over their respective powers of 10 based on their position, simplify fractions to their lowest terms using common factors, and explain why certain numbers are classified as rational. The resource includes various exercises that require students to independently convert decimals, show their work, and reflect on the process. It also addresses potential misconceptions in decimal conversion through error analysis tasks that encourage critical thinking and problem-solving. A master challenge and self-reflection section prompt deeper understanding and application of these concepts in mathematics.