This lesson plan introduces the game Deep Sea Duel, which develops students' operation skills and strategic thinking, and can be played online or with cards. After playing several variations of the game, students attempt to identify a winning strategy and compare the game to other familiar games. Variations include whole numbers, decimals, fractions, exponents, and words. The lesson includes printable cards and a student worksheet, questions for student discussion and teacher reflection, assessment options, and extensions. The online game and the cited article are cataloged separately.


  • Mathematics > General
  • Education > General

Education Levels:

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


Grade 3,Combinations and permutations,Grade 6,NSDL,Grade 4,Teaching strategies,Addition,Mathematics,Number concepts,Exponents,Arithmetic,Analyze and persevere,Fractions,Process skills,Number and operations,Upper Elementary,Algebra,Grade 5,Social Sciences,Subtraction,Concept formation,Whole numbers,Middle School,Vocational/Professional Development Education,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Reason abstractly,Practice Standards,Elementary School,oai:nsdl.org:2200/20140728160818756T,Decimals,Operations,Mental calculation,Algebraic manipulation,Probability,Communication,Connections,Problem solving,Education,Reasoning



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