Measurement (precision and accuracy)

Module designer(s)

  • Louis Beuschlein, Michalinos Zembylas

E-mail Address(es)


Cooperating teachers


  • Design and execute experiments, gather data to answer relevant questions, and communicate results and conclusions to an audience using traditional methods and contemporary technology.
  • Develop an understanding of the difference between accuracy and precision of the significance of variation and tolerance in making informed decisions.
  • Conduct research using a variety of sources (written, oral, electronic etc.) and use contemporary technology to produce documents of publication for specific purposes and audiences.


  • Internet access Excel 5.0 or other spreadsheet

Related Courses

  • Algebra II
  • General Science

Links to standards

  • NCTM Standards
    Standard 1: Mathematics as Problem Solving
    Standard 2: Mathematics as Communication
    Standard 3: Mathematics as Reasoning
    Standard 4: Mathematical Connections
    Standard 10: Statistics
    Standard 13: Patterns and Relationships
  • Illinois Learning Standards
    Mathematics: 7.B.4, 7 A.4a.,10.A.4a
    Science: 11.A.4c.,11.A.4d.,13.A.5d, 13.B.5e


Day 1: Accuracy vs. Precision
Day 2: Tolerance: an automotive lab
Day 3 and 4: Variation: an automotive lab
Day 5: Variation, Variance, and Standard Deviation