Connections: Harry's Allergy

Everyday Math (2004)
Teacher Lesson Guide: pp. 74, 98-102, 115-119
Teacher Reference Manual: pp. 144-147
Student Reference Book: pp. 108-112

TERC (2006)
Data: Kids, Cats, and Ads
Investigation #1, Sessions #1-3: pp. 4-23 (Teacher Note: 38-41)
Investigation #4, Sessions #1-2: pp. 70-76