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.

Strength of Materials: The Centroid of a Triangle

By Steve Whitmoyer

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

The Sphere

By Allen Reed, Douglas Jensen

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

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.

Grouped Numerical Frequency Distributions Using Manual Means

By Thomas Pomykalski

In this learning activity you'll examine the terms associated with a grouped frequency distribution and follows the steps to construct a grouped frequency distribution using manual methods.

The Area Under the Standard Normal Distribution

By Jolene Hartwick

In this learning activity you'll identify and calculate the area under the normal curve specified by given z-scores.

An Algorithm for Hexadecimal Subtraction

By Kevin Ritzman

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

Casio fx-260 Solar Calculator - Finding the Keys

By Suzi Hunsader

In this learning activity you'll practice identifying keys on the Casio fx260 Solar Calculator.

What I Want Now....The Hidden Costs of Rent-to-Own

By Kristin Biekkola

In this learning activity you'll analyze the costs of rent-to-own buying plans and compare those plans to other consumer strategies.

Excel: Entering a Complex Number

By Patrick Hoppe

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

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.

Units of Measurement

By Barbara Anderegg

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

Identifying the Number of Significant Digits

By Ron Wallberg

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

Identifying Engineering Notation

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

Subtracting Binary Numbers by Adding the 2's Complement

In this learning activity you'll solve three binary subtraction problems using the 2's complement method.

Sorting Out Math Symbols

By Barbara Laedtke

In this learning activity you'll review different math symbols and identify them in a matching exercise.

The Difference Between -(6)Squared and (-6)Squared

By Arlene Smith

In this learning activity you'll calculate problems using the negative both inside and outside of the parenthesis.

Multiplying and Dividing Signed Numbers

By Mona Wenrich

Students read the rules used in multiplying and dividing signed numbers. They view examples and work practice problems.

Conversions in Nursing Math

By Barb Hummel

Learners quiz themselves on the conversion factors within and between the metric, apothecary, and household systems.

Statics - Trig: Law of Cosines Using a TI-86 Calculator

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

Statics -- Trig: The Law of Sines

In this interactive object, students use the Law of Sines to calculate forces.

The Cube

Learners study the properties of a cube 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.