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 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 examine how to raise a number to a power using the TI-83 Plus calculator. Sample problems are given using both real and complex numbers.

In this interactive and animated object, learners apply the Law of Sines to determine forces using a TI-86 calculator.

In this learning activity you'll explore units of measurement.

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

In this learning activity you'll review an explanation of scientific notation and complete exercises to convert scientific notation to ordinary numbers.

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

In this learning activity you'll review the basics of budgeting, income, and spending. Using an on-line form, you can create your own monthly budgets and a pie chart of your spending habits.

Learners apply math problem-solving skills in a workplace simulation. This learning object has audio content.

In this learning activity you'll explore what scientific notation is and how it's used to express very large and very small numbers.

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

In this fourth part in a series, learners follow the steps of the “mathemagician” to examine three numerical curiosities: Be a Psychic by Predicting Birthdays, Predict a Card with Mind Reading, and Predict the Three Die Values Your Opponent Has Rolled. Learners will also study palindromic numbers and look at two alphametric puzzles.

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

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

Learners examine the properties of a triangle and work practice problems to find a triangle's perimeter and area.

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.

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

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

In this learning activity you'll apply the Law of Sines in the solution on an oblique triangle when provided with two angles and the side opposite one of the angles.

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

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

In this animated and interactive object, learners calculate the area and centroid of a circle.

Learners study the properties of a cube and use geometric formulas to find volume and surface area.

In this interactive object, learners simplify ratios and solve problems using proportions. All terms are defined.