Statics: Resultant Calculations via Graphical Method
By Steve Whitmoyer
In this interactive learning object, students calculate a resultant of multiple forces acting in a concurrent, coplanar condition.
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.
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: Entering a Complex Number
By Patrick Hoppe
Learners examine the complex number function to convert real and imaginary coefficients into a complex number.
The TI-83 Plus Calculator: Using the LOG Function
Students follow the correct keystrokes to calculate the logarithm of a 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.
A Visual Approach To Simplifying Radicals
In this animated object, learners follow a process for simplifying radicals.
Excel: Determining the Square Root of a Complex Number
Learners view the steps for determining the square root of a complex number in Excel.
An Algebraic Word Problem Involving Motion: Case 2
In this animated object, learners use an algebraic formula to solve the following problem: An airplane travels a certain distance with the wind in the same amount of time that it takes to travel a shorter distance against the wind. Given a constant wind speed, what is the speed of the plane without a wind?
Karnaugh Maps
Learners examine the Karnaugh map for a three-variable system. Several examples are given.
Factoring a Quadratic Trinomial
By Roy Peterson
In this learning activity you'll factor an algebraic expression of the form AX(Squared) + BX + C using the FOIL technique.
Gear Ratio Concepts (Screencast)
By James Bourassa
In this screencast, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations.
Solving Equations: Properties of Equality
In this interactive object, learners examine the properties of equality and use those properties to solve simple equations.
Slope and Intercept on Graphing Calculators
By Ron Keys
The learner reads directions for finding the slope, intercept, and correlation coefficient for a group of ordered pairs using one of eight different scientific calculators.
Multiplying Monomials
In this learning activity you'll identify and calculate the multiplication of monomials.
Factoring by the Difference of Two Perfect Squares
In this learning activity you'll factor problems using the difference of two perfect squares.