Learners read how to use a lumber rule to quickly and accurately estimate board feet. They then use virtual samples to practice the process.

Students read an explanation of the Voltage Divider Rule with complex numbers. Examples are given.

In this learning activity you'll review different types of steel rules used in manufacturing.

In this learning activity you'll review steel rule measurement.

In this learning object you'll explore some frequently asked questions concerning steel rule usage.

In this interactive object, learners review the CDR and work nine problems. Immediate feedback is given.

Learners review the VDR and work six problems. Immediate feedback is given.

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

In this learning activity you'll test your knowledge of the different types of steel rules as well as how to use and read them correctly.

Students review the Voltage Divider Rule and work practice problems.

Students review the Current Divider Rule (CDR) and work practice problems.

Students view a demonstration of the Current Divider Rule with the use of complex numbers. Examples are given.

In this learning activity you'll use the Empirical Rule to calculate the percentages of data between two data points.

Learners complete a matching exercise as a quiz or as a review of state laws and rules pertaining to barbers and cosmetologists.

In this interactive object, learners read an explanation of the file rules and indexing that have been developed by the Association of Records Managers and Administrators. Students then test their knowledge of indexing in a drag-and-drop exercise.

In this interactive object, learners apply their knowledge of the Association of Records Managers and Administrators (ARMA) filing rules by organizing and filing records alphabetically, numerically, and by subject.

This interactive study guide will help students to identify recommended processes for enforcing rules on a work team.

In this learning activity you'll solve systems of two linear equations in two unknowns by determinants.

This document provides a list of shop safety rules.

Students review the spelling rules for adding a suffix to a base word. They practice changing the "y" to "i" for some of the words that end in "y."