Least Common Multiple

By Barb Hummel

Learners practice a technique for finding the least common multiple of a group of numbers.

Multiplication of a String of Signed Numbers

By Mona Wenrich

Students read how to organize their work when multiplying more than two signed numbers. A review and practice problems complete the activity.

The Rectangular Solid

By Allen Reed, Douglas Jensen

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

The Parallelogram

In this animated activity, learners read the definition of a parallelogram and then find the perimeter and area of parallelograms in practice problems.

Solving Trade Discount Problems

By David Nunenkamp

Learners follow a step-by-step process to solve trade discount problems. A short quiz completes the activity.

The Normal Distribution

By Jolene Hartwick

In this learning activity you'll explore normal distribution and enter values for the mean and the standard deviation of normally distributed data and observe the resulting changes in the shape of the normal curve.

Solving Equations that Contain Algebraic Fractions

By Jim Cihak

Learners use the lowest common denominator to simplify and then solve equations with algebraic fractions. Immediate feedback is provided. This animated object has audio content.

Plotting Points on a Coordinate System

By Francine Nettesheim

In this learning activity you'll identify points on a coordinate system.

Excel: Converting Radians to Degrees

By Patrick Hoppe

Students read how to use the DEGREES() function to convert radians to degrees.

An Algorithm for Converting an Octal Number to a Decimal Number

By Kevin Ritzman

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

What Is a Radian?

By Roy Peterson

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

Identifying Engineering Notation

By Ron Wallberg

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

Casio fx-260 Solar Calculator - Using the Keys

By Suzi Hunsader

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

Pythagorean Theorem

By Michele Williams

In this learning activity you'll use the Pythagorean Theorem to calculate the lengths of the legs and hypotenuse of a right triangle.

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.

Calculating Exponents

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

Subtracting Fractions with Unlike Denominators

By Bill Truttschel

In this animated and interactive object, learners view two examples of how to subtract fractions with unlike denominators and then work five similar problems.

Solving Percent Problems Using the Grid Method

By Laurie Jarvis

In this learning activity you'll calculate percentages using a grid to solve problems.

Math Reasoning: The Parts Room

By Dave Bunnow, Rosie Bunnow

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

Binary to Decimal Number Conversion

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

Gear Ratio Concepts

By James Bourassa

In this animated object, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations. A quiz completes the activity.

Simplifying Algebraic Expressions: Multiplication

Learners read definitions of the terminology associated with algebraic operations and then follow steps to use the fundamental laws of multiplication to simplify algebraic expressions.

The Triangle

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

Stem and Leaf Plots

By Ann Krause

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

The Standard Normal Distribution

In this learning activity you'll calculate the numeric value of an area when given the z scores.