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Find the Secret Number-Developing a Search Strategy

Website Address:https://www.curriki.org/oer/Find-the-Secret-Number-Developing-a-Search-Strategy-140582
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Learning RegistryLearning RegistryDistrict of Columbia, District of Columbia, US,
November 11, 2016
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Type:

Other

Description:

This webpage contains a link to a downloadable Geometer's Sketchpad activity that familiarizes students with inequality signs (> and <) and introduces the use of the variable x to represent an unknown value. Students are challenged to deduce a number by collecting and analyzing clues that narrow its range of possible values in the fewest guesses. The page also includes a three-minute instructional video and downloadable PDFs of teacher notes and student worksheets. This activity opens on Geometer's Sketchpad as well as on iOS with Sketchbook Explorer (cataloged separately).

Subjects:

  • 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

Keywords:

Grade 2,Grade 3,Grade 1,Make use of structure,Inequalities,Grade 4,Teaching strategies,Early Elementary,Visual representation,Representation,Number concepts,Social Sciences,Arithmetic,NSDL,oai:nsdl.org:2200/20140728161126749T,Process skills,Number and operations,Upper Elementary,Algebra,Grade 5,Concept formation,Informal Education,Integers,Whole numbers,Middle School,Vocational/Professional Development Education,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Comparison of numbers,Reason abstractly,Practice Standards,Grade 6,Elementary School,Reason quantitatively,Algebraic thinking,Deductive reasoning,Mathematics,Connections,Engineering,Problem solving,Education,Reasoning

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

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None
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This webpage contains a link to a downloadable Geometer's Sketchpad activity that familiarizes students with inequality signs (> and <) and introduces the use of the variable x to represent an unknown value. Students are challenged to deduce a number by collecting and analyzing clues that narrow its range of possible values in the fewest guesses. The page also includes a three-minute instructional video and downloadable PDFs of teacher notes and student worksheets. This activity opens on Geometer's Sketchpad as well as on iOS with Sketchbook Explorer (cataloged separately).
↓http://dynamicnumber.org/find_the_secret_number__developing_a_search_strategy

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