Factoring by the Difference of Two Perfect Squares

By Roy Peterson

In this learning activity you'll factor problems using the difference of two perfect squares.

An Algorithm for Binary Subtraction

By Kevin Ritzman

Students use the Base Minus One Complement method to perform binary subtraction. This learning activity has audio content and immediate feedback.

Statistical Data Types

By Thomas Pomykalski

Learners read about the different uses of the word "data." They will test themselves on examples of data that is singular, plural, qualitative, quantitative, nominal, ordinal, interval, rational, discrete, or continuous.

An Algorithm for Converting a Binary Number to a Decimal Number

In this learning activity you'll examine two methods for converting a binary number to a decimal number.

Simplifying Square Roots

In this learning activity you'll simplify square roots involving the product of a numeric and variable term.

An Algebraic Word Problem Involving Motion: Case 2

In this animated object, learners use an algebraic formula to solve the following problem: An airplane travels a certain distance with the wind in the same amount of time that it takes to travel a shorter distance against the wind. Given a constant wind speed, what is the speed of the plane without a wind?

What Is a Radian?

In this learning activity you'll explore a graphical depiction of a radian for angular measurement.

An Algorithm for Converting a Decimal Number to a Binary Number

In this learning activity you'll examine a systematic method for converting a decimal number (base 10) into a binary number (base 2).

An Algorithm for Converting an Octal Number to a Decimal Number

Learners examine two methods for converting an octal number to a decimal number. Exercises are provided at the end of the learning object.

Evaluating the Six Trigonometric Functions

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

An Algorithm for Converting a Decimal Number to a Hexadecimal Number

In this animated activity, learners examine a systematic method for converting a decimal number (base 10) into a hexadecimal number (base 16).

An Algebraic Word Problem Involving Motion: Case 1

In this animated and interactive object, learners use an algebraic formula to solve a problem involving distance, rate, and time.

An Algorithm for Converting a Hexadecimal Number to a Decimal Number

In this animated and interactive object, learners follow two methods for converting a hexadecimal number to a decimal number. They test their knowledge in exercises at the end of the learning object.

Converting Values in Engineering Notation

By Ron Wallberg

The learner will convert various values to engineering notation.

Subtracting Binary Numbers by Adding the 2's Complement

In this learning activity you'll solve three binary subtraction problems using the 2's complement method.

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).

Labeling a Right Triangle

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

Joint Variation

By Terry Lark

In this learning activity you'll practice calculating a joint variation problem.

A Visual Approach To Simplifying Radicals

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

Stem and Leaf Plots (Screencast)

By Ann Krause

In this learning activity you'll create a stem and leaf plot.

Identifying Engineering Notation

The learner will represent very large and very small numbers in engineering notation.

Variation - Application Problems

In this learning activity you'll practice two variation application problems.

Numerical Data Ordering

In this interactive object, learners read how to arrange numerical data manually by using ascending or descending order. They also practice arranging the data using a spreadsheet.

Welcome to the World of Prime Numbers

By Jeganathan Sriskandarajah

In this learning activity you'll use a chart and a calculator to find prime numbers 1 and 100.

Identifying the Number of Significant Digits

Learners will identify the number of significant digits in practice problems.