In this screencast, you will learn about the 24 time zones.
Solving Systems of Linear Equations Using the Substitution Method
By Allen Reed, Douglas Jensen
In a series of practice problems, learners use the substitution method to solve systems of linear equations, also called "simultaneous linear equations."
Solving Trade Discount Problems
By David Nunenkamp
Learners follow a step-by-step process to solve trade discount problems. A short quiz completes the activity.
Standard-Position Angles and Reference Angles
By Kevin Ritzman
The learner will recognize standard-position angles and find the reference angle for any standard-position angle.
Simplifying Algebraic Expressions: Addition & Subtraction
Learners read definitions of the terminology associated with algebraic operations and then follow steps to simplify algebraic expressions.
International Exchange Rates
By Steve Anderson
In this learning activity you'll calculate exchange rates to determine the impact of prices of exports and imports.
Interpreting Engineering Drawings: Sheet Sizes
By Glenn Sokolowski
In this animated and interactive object, learners view American National Standard and International Standard sheet sizes. A quiz completes the activity.
The History of Standards
By Barbara Anderegg
In this learning activity you'll review the historical progression of standards to learn what makes a good standard.
Quality Basics: Quality Standards
By Mary Lee Rudnick-Kaun
In this learning activity you'll read descriptions of military standards, ANSI, ISO, calibration system standards and audit system reference standards. These topics would be important for the CQT (certified quality technician).
Gift Giving Around the World
By Virginia Kirsch
Giving gifts is an important part of conducting business around the world. Learners read about the kinds of gifts that are welcomed in various cultures, and which are not. A quiz completes the activity.
Measurement: What Is Precision?
You'll be able to identify the precision of an approximate number in measurement.
Time management puzzle
Putting the correct pieces together to best manage your time
Unit Conversion: Time
You'll practice converting between units of measure for time.
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