Grouped Numerical Frequency Distributions: An Overview -- First in a Series
By Thomas Pomykalski
In this interactive object, students read about organizing data in a tabular form. A brief quiz completes the activity. This is the first in a series of six learning objects.
Vectors in Polar Form
By Jolene Hartwick
In this learning activity you'll place given vectors in correct positions on the Cartesian coordinate system.
The Regular Square Pyramid
By Allen Reed, Douglas Jensen
Learners study the properties of a regular square pyramid and use geometric formulas to find volume and surface area.
Excel: Complex Subtraction
By Patrick Hoppe
Students view the steps for subtracting complex numbers in Excel.
Numerical Curiosities: Part 4
By Jeganathan Sriskandarajah
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.
The Trapezoid
In this interactive object, learners study the properties of a trapezoid and use a geometric formula to find its perimeter and area.
Simplifying Square Roots
By Roy Peterson
In this learning activity you'll simplify square roots involving the product of a numeric and variable term.
Numerical Data Ordering
In this interactive object, learners read how to arrange numerical data manually by using ascending or descending order. They also practice arranging the data using a spreadsheet.
Personal Spending/Savings Plan for Teenagers
By Kristin Biekkola
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.
Statics - Trig: Law of Cosines Using a TI-86 Calculator
By Steve Whitmoyer
In this interactive and animated object, learners apply the Law of Cosines to determine forces using a TI-86 calculator.
The TI-83 Plus Calculator: Complex Number Conversion
Learners examine how to convert numbers from rectangular to polar form and from polar to rectangular form using a TI-83 Plus calculator.
Law of Sines
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.
Grouped Numerical Frequency Distributions - Establishing Class Boundaries: Sixth in a Series
Learners follow steps to establish class boundaries and tally the data using a spreadsheet.
Scientific Notation - What is it?
By Danene Dusenske
In this learning activity you'll explore what scientific notation is and how it's used to express very large and very small numbers.
Joint Variation
By Terry Lark
In this learning activity you'll practice calculating a joint variation problem.
Statics: Resultant Calculations via Graphical Method
In this interactive learning object, students calculate a resultant of multiple forces acting in a concurrent, coplanar condition.
The TI-83 Plus Calculator: Using the Arctangent Function
Learners read how to use the arctangent function to calculate the theta of an angle. The proper keystrokes are displayed.
The Right Circular Cone
Learners study the properties of a right circular cone and use geometric formulas to find volume and surface area.
Basic Terms in Division (Screencast)
By Barbara Laedtke
In this interactive object, the learner examines the basic terms used in division. A quiz completes the activity.
Quadratic Variation
In this learning activity you'll practice calculating a quadratic variation problem.
Binary to Decimal Number Conversion
In this learning activity you'll practice calculating the between the binary number system and the decimal number system.
Statics - Trig: Pythagorean Theorem Calculations Using a Casio fx-260
In this animated and interactive object, the learner uses a Casio fx-260 calculator to solve for the magnitude of the resultant and of one of the component forces in a right triangle.
The TI-83 Plus Calculator: The Power Function
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.
Understanding Place Value (Screencast)
By Laurie Jarvis
In this learning activity you'll review the place values of whole numbers.
Mathematical Expression of an AC Sine Wave
Students view the mathematical expression of an AC waveform with respect to time (t) and read about the different components of this expression.