*Þ>2>šHHÛ@ÿçÿîÿR#(ü,, ç `,- ^ì&'dAxxxx€Là h`(ÿPrecision, Accuracy and Tolerance` ÿ`  ÿUnit 13` ÿSteve VanValkenburg Jim Vander Meer  Laurie Norris   Objectives H1. Distinguish between counting and measuring and between precision and  accuracy. ?2. Read and write measurements to show precision and tolerance. /3. Compare measurements to specified tolerance. D4. Use significant digits to indicate the accuracy of a measurement. ,5. Use precision tools to make measurements. 56. Calculate with measurements and round the results.  Outline  $Day One: Study and Reading Worksheet  %Day Two: Assign General Problems 1-5  ADay Three: Show Video, give video worksheet and class discussion.  'Day Four: Lab Activity and Lab Write up  1Day Five: Assign Problems 11, 15, 25, 35, and 39.  &Day Six: Lab Activity and Lab Write up HDay Seven: Assign choice of Problems: Ag (6-10) or Home Ec (26-30) or  Bus (16-20)  Day Eight: Test  Corrections on the test:DThe pictures for problems 21-23 and problems 24-26 are not accurate 9pictures of the vernier caliper. See the pictures below.