Joint Variation
By Terry Lark
In this learning activity you'll practice calculating a joint variation problem.
Statics -- Trig: The Law of Sines
By Steve Whitmoyer
In this interactive object, students use the Law of Sines to calculate forces.
Quadratic Variation
In this learning activity you'll practice calculating a quadratic variation problem.
Pythagorean Theorem
By Michele Williams
In this learning activity you'll use the Pythagorean Theorem to calculate the lengths of the legs and hypotenuse of a right triangle.
Statics - Trig: Law of Cosines Using a TI-86 Calculator
In this interactive and animated object, learners apply the Law of Cosines to determine forces using a TI-86 calculator.
The Mathematics of Buying: Putting It All Together
By Mary Lee Rudnick-Kaun
Learners tackle this interactive learning object after studying the mathematics of buying. This activity ties together the ideas of net cost, list price, trade discounts, cash discounts, net cost equivalent, and single discount equivalent, as well as the concepts of part, base, and rate.
Least Common Multiple
By Barb Hummel
Learners practice a technique for finding the least common multiple of a group of numbers.
The Square
By Allen Reed, Douglas Jensen
In this animated activity, learners read about the properties of a square and its components. They then work practice problems to find the perimeter and area of squares.
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.
Budgeting Monthly Expenses
In this learning activity you'll establish your budget by determining your earnings, expenses, and goals.
Ungrouped Numerical Frequency Distributions
By Thomas Pomykalski
Learners follow the steps required to construct an ungrouped frequency distribution using either manual methods or a spreadsheet.
Grouped Numerical Frequency Distributions: An Overview -- First in a Series
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.
The Sphere
Learners study the properties of a sphere 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.
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.
Strength of Materials: The Centroid of a Triangle
In this animated and interactive object, learners calculate the area and centroid of a triangle.
Right Triangles That Are Special: Using the Pythagorean Theorem
In this learning activity you'll apply the Pythagorean Theorem to isosceles and equilateral triangles.
Subtracting Fractions with Unlike Denominators
By Bill Truttschel
In this animated and interactive object, learners view two examples of how to subtract fractions with unlike denominators and then work five similar problems.
Variation - Application Problems
In this learning activity you'll practice two variation application problems.
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.
Grouped Numerical Frequency Distributions - Identifying Low and High Values: Third in a Series
Students follow step-by-step directions for entering data into a spreadsheet and reporting the results.
Standard-Position Angles and Reference Angles
By Kevin Ritzman
The learner will recognize standard-position angles and find the reference angle for any standard-position angle.
An Algorithm for Hexadecimal Subtraction
Students use the Base Minus One Complement method to perform hexadecimal subtraction.
Grouped Numerical Frequency Distributions -- Determining the Lower and Upper Limits: Fifth in a Series
Learners follow steps to establish the lower and upper limits in a spreadsheet.
Creating Histograms
Students follow steps to transfer data from a list to a histogram.