Type:

Other

Description:

This Sketchpad activity, which opens on Geometer's Sketchpad as well as on iOS with Sketchbook Explorer (cataloged separately), allows learners to use logic and early algebra reasoning skills to find the secret numerical value of four letters, which are initially from 1-10, but this upper limit can be changed. Players drag any two letters across a divider to the right to reveal their sum. Students can play the game multiple times, with the computer generating new random values, or they can create challenges for each other to solve. A movie provides detailed instructions and downloadable PDF of teacher notes and student worksheets are also included.

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 3,Grade 6,NSDL,Grade 4,Grade 5,Addition,Express regularity,Reason quantitatively,Number concepts,Social Sciences,Arithmetic,Analyze and persevere,Process skills,Number and operations,Visual representation,Algebra,Subtraction,Life Science,Composition and decomposition of numbers,Informal Education,Whole numbers,Middle School,Vocational/Professional Development Education,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Practice Standards,Deductive reasoning,Elementary School,Strategies,Algebraic thinking,Chemistry,Operations,Mental calculation,Upper Elementary,oai:nsdl.org:2200/20140728160449871T,Mathematics,Problem solving,Education,Reasoning,Representation

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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