In this learning activity you'll perform subtraction calculations using borrowing with mixed number fractions.

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

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

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

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.

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

Learners read about the most common forms of financial statements including balance sheets, cash flow statements, and profit and loss statements. A brief quiz completes the activity.

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

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.

Learners read definitions of atomic symbols, atomic numbers, and mass numbers and then answer questions about the number of neutrons, protons, and electrons in select elements.

Learners explore the use of complex numbers through a series AC circuit analysis problem. The steps are compared to the graphical method of finding circuit impedance and the phase angle.

In this learning activity you'll discover what the .NET Framework is, what problems it solves, and how it came to be.

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

Learners assign oxidation numbers to atoms in neutral compounds and in polyatomic ions. Six examples are worked through in detail, and three problems are provided.

At the end of this lesson you will be able to

- Explain what biosecurity means.

- Describe why biosecurity is important.

- Identify what kinds of disease agents we try to prevent or control with biosecurity.

- Demonstrate disease agent-host-environmental interactions that result in disease.

Students test their skill at converting binary numbers to decimal numbers. Immediate feedback is provided.

Learners follow step-by-step instructions for dividing algebraic fractions. They begin by reducing the fractions to their simplest form. Immediate feedback is provided. This activity has audio content.

Learners examine the complex number function to convert real and imaginary coefficients into a complex number.

Learn more about debugging including: what it is, why we use it, and what it looks like in action.

This primer introduces the student to the proper method of complex number conversion on a TI-86 calculator.