Vectors in Polar Form

By Jolene Hartwick

In this learning activity you'll place given vectors in correct positions on the Cartesian coordinate system.

Grouped Numerical Frequency Distributions - Establishing Class Boundaries: Sixth in a Series

By Thomas Pomykalski

Learners follow steps to establish class boundaries and tally the data using a spreadsheet.

Evaluating Trigonometric Ratios

By Roy Peterson

In this learning activity you'll evaluate the Sine, Cosine, and Tangent ratios of a right triangle.

Simplifying Algebraic Fractions that Contain No Addition or Subtraction

By Jim Cihak

In this highly interactive and animated object, learners follow a step-by-step process to reduce algebraic fractions, which contain no addition or subtraction, to their simplest, most elementary form. Immediate feedback is provided. This activity has audio content.

Important Zeros

By Mona Wenrich

In this learning activity you'll assess which zeros are important when defining a number and which zeros can be dropped.

Excel: Complex Subtraction

By Patrick Hoppe

Students view the steps for subtracting complex numbers in Excel.

Excel: Converting Radians to Degrees

Students read how to use the DEGREES() function to convert radians to degrees.

Evaluating the Six Trigonometric Functions

In this learning activity you'll evaluate the six trig functions using a scientific calculator.

Creating Histograms

By Mary Lee Rudnick-Kaun

Students follow steps to transfer data from a list to a histogram.

Understanding Place Value

By Laurie Jarvis

In this learning activity you'll review the place values of whole numbers.

Scientific Notation - Converting Numbers Larger Than 1 to Scientific Notation

By Danene Dusenske

In this learning activity you'll review scientific notation and practice expressing numbers larger than 1.

Scientific Notation - Converting Scientific Notation to Ordinary Numbers

In this learning activity you'll review an explanation of scientific notation and complete exercises to convert scientific notation to ordinary numbers.

Calculating Exponents

By Francine Nettesheim

In this learning activity you'll calculate exponents. You'll practice breaking down exponents and calculating the results.

Least Common Multiple

By Barb Hummel

Learners practice a technique for finding the least common multiple of a group of numbers.

Solving Percent Problems Using the Grid Method

In this learning activity you'll calculate percentages using a grid to solve problems.

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.

Statics - Trig: The Pythagorean Theorem

In this interactive object, learners use the Pythagorean Theorem to calculate forces.

Statics -- Trig: The Law of Sines

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

The Right Circular Cylinder

By Allen Reed, Douglas Jensen

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

Simplifying Algebraic Expressions: Multiplication

Learners read definitions of the terminology associated with algebraic operations and then follow steps to use the fundamental laws of multiplication to simplify algebraic expressions.

The Triangle

Learners examine the properties of a triangle and work practice problems to find a triangle's perimeter and area.

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 Using Manual Means

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.

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.

Grouped Numerical Frequency Distributions - Definitions: Second in a Series

In this interactive object, learners read the definitions of terms associated with the construction of a grouped frequency distribution. A brief quiz completes the activity.