Labeling a Right Triangle

By Roy Peterson

In this learning activity you'll identify the sides of a right triangle with respect to the angles.

An Introduction to Algebraic Word Problems

By Kevin Ritzman

In this animated object, learners follow the steps for solving word problems using algebra. An introductory example is explained.

Reconciling a Business Checking Account Statement

By Virginia Riggs

Learners examine a bank statement and a reconciliation form and study how to balance a checking account.

Simplifying Algebraic Expressions: Division

By Allen Reed, Douglas Jensen

Learners read definitions of the terminology associated with algebraic operations and then follow steps to use the fundamental laws of division to simplify algebraic expressions.

Determinant of the Third Order

In this learning activity you'll evaluate the determinant of a 3 X 3 matrix.

Excel: Rectangular to Polar Conversion for the Phase Angle in Radians

By Patrick Hoppe

The conversion from rectangular to polar mode phase angle in radians is demonstrated in Excel.

Statics - Trig: The Law of Cosines Using a TI-36X Calculator

By Steve Whitmoyer

Learners apply the Law of Cosines to determine forces using a TI-36X calculator in this animated object.

The Circle

By Douglas Jensen

In this animated and interactive object, learners examine the definitions and formulas for radius, diameter, circumference, and area. Students also solve practice problems involving the circumference and area of a circle.

An Algorithm for Converting a Decimal Number to an Octal Number

In this animated object, learners examine a systematic method for converting a decimal number (base 10) into an octal number (base 8).

Order of Operations

By Barb Hummel

In this activity you'll calculate equations using the order of operations. You'll be introduced to what it is and how it works.

Inverse Variation

By Terry Lark

In this learning activity you'll practice calculating an inverse variation problem.

Basic Terms in Division

By Barbara Laedtke

In this interactive object, the learner examines the basic terms used in division. A quiz completes the activity.

The TI-83 Plus Calculator: Using the Arctangent Function

Learners read how to use the arctangent function to calculate the theta of an angle. The proper keystrokes are displayed.

Statics: Resultant Calculations via Graphical Method

In this interactive learning object, students calculate a resultant of multiple forces acting in a concurrent, coplanar condition.

Understanding Rounding

By Laurie Jarvis

In this learning activity you'll practice rounding numbers.

Conversions in Nursing Math

Learners quiz themselves on the conversion factors within and between the metric, apothecary, and household systems.

The Trapezoid

In this interactive object, learners study the properties of a trapezoid and use a geometric formula to find its perimeter and area.

Mathematical Expression of an AC Sine Wave

Students view the mathematical expression of an AC waveform with respect to time (t) and read about the different components of this expression.

Excel: Complex Addition

Students view the steps to follow to add complex numbers in Excel.

A Visual Approach To Simplifying Radicals

In this animated object, learners follow a process for simplifying radicals.

An Introduction to the Powers of 10

The learner will evaluate powers of 10 with integer exponents and multiply decimal numbers by powers of 10 with integer exponents.

Standard-Position Angles and Reference Angles

The learner will recognize standard-position angles and find the reference angle for any standard-position angle.

Statics - Trig: Pythagorean Theorem Calculations Using a TI-86

In this animated and interactive object, the learner uses a TI-86 calculator to solve for the magnitude of the resultant and of one of the component forces in a right triangle.

Statics - Trig: Pythagorean Theorem Calculations Using Excel

Learners examine how to solve problems using the Pythagorean Theorem in Excel. Practice problems are included.

Statics - Trig: Pythagorean Theorem Calculations Using a Casio fx-260

In this animated and interactive object, the learner uses a Casio fx-260 calculator to solve for the magnitude of the resultant and of one of the component forces in a right triangle.