Common Denominator Slides
Instructional slide deck for Lesson 4 focusing on adding fractions with unlike denominators. It uses an 'overlay' strategy where students physically cover larger fraction pieces with smaller ones to find a common measure. High visual emphasis on the conceptual "swap".
Fraction Overlay Task Worksheet
Student activity sheet for Lesson 4. Students use fraction tiles to physically find common denominators by overlaying units (e.g., swapping a 1/2 piece for two 1/4 pieces) before performing addition. Focuses on the step-by-step "swap and add" workflow.
Fraction Overlay Key
Teacher answer key and facilitation guide for Lesson 4. Provides completed solutions for fractional addition tasks, workshop logic explanations, and corrective feedback strategies for common misconceptions about adding unlike denominators.