Type:

Other

Description:

This activity features an applet that presents three estimating situations. Problems challenge students to estimate the number of objects on the screen or estimate the length of a curve or area of a shape given the scale. Students select one of the three problem types or allow the computer to select a random mix. Students also choose an easy or hard difficulty level and decide whether answers must be almost perfect, really close, or close. A hint button adds a grid to the screen. The applet tracks the student's correct answers and can display a history of guesses. From the applet page, What, How, and Why buttons open pages explaining the activity's purpose, function, how the mathematics fits into the curriculum with links to the NCTM geometry and measurement standards for grades 6-8. Supplemental resources include lesson plans, other estimation applets, background information about estimation, and exploration questions for investigating how a time limit affects making an estimation. Copyright 2005 Eisenhower National Clearinghouse

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:

Informal Education,Process skills,Scale,Middle School,NSDL,Area,High School,Grade 8,Grade 9,Grade 10,NSDL_SetSpec_1007936,Length,Education,oai:nsdl.org:2200/20120114184420234T,Grade 6,Measurement,Mathematics,Estimation,Grade 7

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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