Geometric Figures and Parts
By Mary LeBrun
In this learning activity you'll identify identify two-dimensional geometric shapes in a matching exercise.
Gear Ratio Concepts (Video)
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.
Gear Ratio Concepts
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.
Fundamental Laws of Algebra
By Allen Reed, Douglas Jensen
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.
In this learning activity you'll identify fractions and view illustrations of fractions.
Finding the Lowest Common Denominator for Algebraic Fractions
By Jim Cihak
In this interactive and animated object, learners follow instructions for finding the lowest common denominator for a group of algebraic fractions. Immediate feedback is provided. This activity has audio content.
Finding the Coordinates of the Point Where an Arc Blends Into a Line
By Alan Dohm
Students use trigonometry to find the coordinates of the blending point where a line and an arc meet. Learners are given the coordinates of the center of the arc, the radius of the arc, and the direction of the line.
Factoring by the Difference of Two Perfect Squares
By Roy Peterson
In this learning activity you'll factor problems using the difference of two perfect squares.
Factoring a Quadratic Trinomial
In this learning activity you'll factor an algebraic expression of the form AX(Squared) + BX + C using the FOIL technique.
Excel: Rectangular to Polar Conversion for the Phase Angle in Radians
By Patrick Hoppe
The conversion from rectangular to polar mode phase angle in radians is demonstrated in Excel.
Excel: Rectangular to Polar Conversion for Magnitude
Learners read how to convert complex numbers to their polar equivalent in Excel.
Excel: Entering a Complex Number
Learners examine the complex number function to convert real and imaginary coefficients into a complex number.
Excel: Determining the Square Root of a Complex Number
Learners view the steps for determining the square root of a complex number in Excel.
Excel: Determining the Complex Conjugate
Students read how to use the IMCONJUGATE() function to convert complex numbers to their conjugate in rectangular form.
Excel: Converting Radians to Degrees
Students read how to use the DEGREES() function to convert radians to degrees.
Excel: Complex Subtraction
Students view the steps for subtracting complex numbers in Excel.
Excel: Complex Division
Students view the steps for dividing complex numbers in Excel.
Excel: Complex Addition
Students view the steps to follow to add complex numbers in Excel.
Evaluating Trigonometric Ratios
In this learning activity you'll evaluate the Sine, Cosine, and Tangent ratios of a right triangle.
Evaluating the Six Trigonometric Functions
In this learning activity you'll evaluate the six trig functions using a scientific calculator.
Dividing and Simplifying Algebraic Fractions
Learners follow step-by-step instructions for dividing algebraic fractions. They begin by reducing the fractions to their simplest form. Immediate feedback is provided. This activity has audio content.
By Terry Lark
In this learning activity you'll walk through a direct variation problem.
Determinant of the Third Order
In this learning activity you'll evaluate the determinant of a 3 X 3 matrix.
By Mary Lee Rudnick-Kaun
Students follow steps to transfer data from a list to a histogram.
In this learning activity you'll solve systems of two linear equations in two unknowns by determinants.