Students can use this Shockwave applet to learn basic probability concepts and to apply fraction and decimal skills. In Level 1 a number of fish are seen in a tank and users express the probability of catching a red fish as a fraction. In Level 2 the required probability is given as a fraction, and users move more fish into the tank to produce this probability. Level 3 is similar to level 2 but involves a wider range of fractions and some decimals. The Key Ideas page provides background in basic probability concepts. A set of student activity printouts (Probability) is available for further practice.


  • Mathematics > General
  • Education > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12


Grade 6,NSDL,Grade 4,Grade 5,Visual representation,Strategies,Mathematics,Equivalent fractions,Arithmetic,Analyze and persevere,Fractions,Process skills,Number and operations,Upper Elementary,oai:nsdl.org:2200/20140728160504872T,event,Model with mathematics,Ratio and proportion,Life Science,Composition and decomposition of numbers,Informal Education,Concept formation,Middle School,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Comparison of numbers,Practice Standards,Elementary School,Social Sciences,Reason quantitatively,Chemistry,Decimals,Mental calculation,Education,Probability,Grade 7,Connections,Problem solving,outcome,Representation



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