A Visual Approach To Simplifying Radicals

By Kevin Ritzman

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

Adding and Subtracting Signed Numbers

By Mona Wenrich

Learners follow the steps for adding and subtracting signed numbers and complete practice exercises.

Adding Fractions With Unlike Denominators

By Tina Dietzman

Learners follow steps to add fractions with different denominators. They also review fraction concepts, do a drag-and-drop exercise involving fraction terms, and add fractions with common denominators.

Adding Fractions With Unlike Denominators (Screencast)

Adding or Subtracting Algebraic Fractions

By Jim Cihak

Learners follow step-by-step instructions for finding the lowest common denominator for a group of algebraic fractions and then enter their answers to three problems. Immediate feedback is provided. This activity has audio content.

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 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?

An Algorithm for Binary Subtraction

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

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 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).

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.

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.

An Algorithm for Hexadecimal Subtraction

Students use the Base Minus One Complement method to perform hexadecimal subtraction.

An Algorithm for Octal Subtraction

Learners use the Base Minus One Complement method to do octal subtraction.

An Introduction to Algebraic Word Problems

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

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.

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.

Basic Terms in Division (Screencast)

Best Buy Shopping

By Michele Williams

In this learning activity you'll discover how to calculate the best priced items and improve your financial literacy.

Binary to Decimal Number Conversion

By Patrick Hoppe

In this learning activity you'll practice calculating the between the binary number system and the decimal number system.

Budgeting Monthly Expenses

In this learning activity you'll establish your budget by determining your earnings, expenses, and goals.

Buying a Car: What It Really Costs with Finance Charges

In this learning activity you'll calculate the difference in the total cost of a new car when using cash and when paying for the car with a 60-month loan.

Buying a Car: What It Really Costs with Finance Charges (Screencast)

Calculating Exponents

By Francine Nettesheim

In this learning activity you'll calculate exponents. You'll practice breaking down exponents and calculating the results.