In this PBS Mathline lesson plan, students investigate proportional reasoning through modeling, student sharing and questioning techniques. After reading "Oliver's Fruit Salad" to students, the teacher poses several problems about imaginary fruit salads that the students solve as a class. Using pieces of fruit shaped candy, students work in pairs and in small groups to solve other problems that build on the ones solved as a class. Finally, students share their solutions.
Keywords:Grade 3,NSDL,Grade 4,Grade 5,Critical thinking,Representation,Number concepts,Social Sciences,Arithmetic,Analyze and persevere,Concept formation,Process skills,Number and operations,Upper Elementary,Algebra,Word problems,Model with mathematics,Ratio and proportion,Modeling,Patterns and sequences,Whole numbers,Vocational/Professional Development Education,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Reason abstractly,Practice Standards,Reading in mathematics,Elementary School,Language Arts,Number patterns,Reason quantitatively,Algebraic thinking,Communication,Mathematics,oai:nsdl.org:2200/20140728160457083T,Problem solving,Writing in mathematics,Education,Reasoning