This math topic focuses on understanding and practicing equivalent fractions. The main skill practiced involves finding the missing numerator that will complete the equivalent fraction, reinforcing early concepts in fractional relationships. The mentioned problems are designed at a basic level (Level 1), included within an introductory unit on equivalent fractions. The materials include equation graphics, suggesting a visual component to aid in comprehension and problem solving. Each problem provides direct feedback with specific answers to ensure understanding and assist in verifying correctness.