Learners review the fundamental laws of algebra including the commutative law of addition, the commutative law of multiplication, the associative law of addition, the associative law of multiplication, and the distributive law. Examples are given.

In this learning activity you'll examine how a sine bar is used to measure angles.

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

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

Learners review the basic math operations involving zero, emphasizing that division by zero is undefined. Examples are given.

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

Learners examine the Karnaugh map for a three-variable system. Several examples are given.

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.

In this interactive object, learners examine the properties of equality and use those properties to solve simple equations.

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

In this learning activity you'll read key words that direct you to add, subtract, multiply, or divide.

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?

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

In this screencast, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations.

Learners read how to convert complex numbers to their polar equivalent in Excel.

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 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 evaluate the six trig functions using a scientific calculator.

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

Learners view the steps for determining the square root of a complex number in Excel.

In this learning activity you'll define the keys on the Casio fx-260 Solar Calculator.

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

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

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