Strength of Materials: The Centroid of a Circle
By Steve Whitmoyer
In this animated and interactive object, learners calculate the area and centroid of a circle.
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.
Statics - Trig: The Pythagorean Theorem
In this interactive object, learners use the Pythagorean Theorem to calculate forces.
Fraction Basics
By Mary LeBrun
In this learning activity you'll identify fractions and view illustrations of fractions.
Buying a Car: What It Really Costs with Finance Charges (Screencast)
By Michele Williams
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.
Adding Fractions With Unlike Denominators (Screencast)
By Tina Dietzman
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.
Statics - Trig: Pythagorean Theorem Calculations Using Excel
Learners examine how to solve problems using the Pythagorean Theorem in Excel. Practice problems are included.
Simplifying Algebraic Expressions: Addition & Subtraction
By Allen Reed, Douglas Jensen
Learners read definitions of the terminology associated with algebraic operations and then follow steps to simplify algebraic expressions.
The Cube
Learners study the properties of a cube 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.
Simplifying Ratios With Fractions
By Mona Wenrich
In this learning activity you'll review sample problems and practice simplifying ratios.
An Algebraic Word Problem Involving Motion: Case 1
By Kevin Ritzman
In this animated and interactive object, learners use an algebraic formula to solve a problem involving distance, rate, and time.
Excel: Converting Radians to Degrees
By Patrick Hoppe
Students read how to use the DEGREES() function to convert radians to degrees.
Statics - Trig: The Law of Sines Using a TI-86 Calculator
In this interactive and animated object, learners apply the Law of Sines to determine forces using a TI-86 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.
Learning About Your Earnings (Screencast)
In this learning activity you'll practice reading and interpreting a paychecks and paycheck stub.
The Right Circular Cylinder
Learners study the properties of a right circular cylinder and use geometric formulas to find volume and surface area.
Excel: Entering a Complex Number
Learners examine the complex number function to convert real and imaginary coefficients into a complex number.
Fundamental Laws of Algebra
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.
Identifying the Number of Significant Digits
By Ron Wallberg
Learners will identify the number of significant digits in practice problems.
Excel: Determining the Complex Conjugate
Students read how to use the IMCONJUGATE() function to convert complex numbers to their conjugate in rectangular form.
Identifying Engineering Notation
The learner will represent very large and very small numbers in engineering notation.
The TI-83 Plus Calculator: Using the LOG Function
Students follow the correct keystrokes to calculate the logarithm of a number.
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.
Cramer's Rule
By Roy Peterson
In this learning activity you'll solve systems of two linear equations in two unknowns by determinants.