This Flash activity provides an opportunity for learners to develop their algebraic thinking skills. The activity uses objects in place of variables making this activity accessible to students in upper elementary grades. Learners are presented two or three weighing scales and must determine the weight of a specific object or group of objects. There are ten questions for each of the 3 levels of play and hints are provided for incorrect answers.
Keywords:Grade 6,NSDL,Grade 4,Grade 5,Systems of equations,Express regularity,Representation,Mathematics,Social Sciences,Arithmetic,Analyze and persevere,Division,Number and operations,Visual representation,Algebra,Properties of operations,Addition,Subtraction,Multiplication,Composition and decomposition of numbers,Equations,Informal Education,Middle School,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Practice Standards,Deductive reasoning,Life Science,Elementary School,oai:nsdl.org:2200/20140728160535237T,Reason quantitatively,Algebraic thinking,Chemistry,Operations,Mental calculation,Upper Elementary,Connections,Problem solving,Process skills,Education,Reasoning