In this learning activity you'll review how to read a metric micrometer and use your knowledge to answer 12 questions.

The learner will measure and record dimensions using a metric micrometer to an accuracy of plus or minus .01 of a millimeter.

In this interactive object, learners examine standard and metric thread specifications used in engineering drawings. In a brief quiz, they identify various internal and external thread representations.

Learners examine the proper way to set up standard and metric micrometers to measure the wear on a brake drum.

Students review the best practices for using a ruler and answer five basic questions.

Students identify the parts of a triple beam balance and practice measuring the mass of objects.

In this learning activity you'll evaluate the six trig functions using a scientific calculator.

In this interactive object, learners test their knowledge of 14 geometric tolerance control symbols.

In this learning activity you'll explore public key encryption and conclude with a short quiz.