The Difference Between -(6)Squared and (-6)Squared
By Arlene Smith
In this learning activity you'll calculate problems using the negative both inside and outside of the parenthesis.
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.
The Normal Distribution
By Jolene Hartwick
In this learning activity you'll explore normal distribution and enter values for the mean and the standard deviation of normally distributed data and observe the resulting changes in the shape of the normal curve.
The Normal Distribution and the Empirical Rule
In this learning activity you'll use the Empirical Rule to calculate the percentages of data between two data points.
The Parallelogram
By Allen Reed, Douglas Jensen
In this animated activity, learners read the definition of a parallelogram and then find the perimeter and area of parallelograms in practice problems.
The Rectangle
In this animated activity, learners read about the properties of a rectangle and its components. They then work practice problems to find the perimeter and area of rectangles.
The Rectangular Solid
Learners study the properties of a rectangular solid and use geometric formulas to find volume and surface area.
The Regular Square Pyramid
Learners study the properties of a regular square pyramid and use geometric formulas to find volume and surface area.
The Right Circular Cone
Learners study the properties of a right circular cone and use geometric formulas to find volume and surface area.
The Right Circular Cylinder
Learners study the properties of a right circular cylinder and use geometric formulas to find volume and surface area.
The Sphere
Learners study the properties of a sphere and use geometric formulas to find volume and surface area.
The Square
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.
The Standard Normal Distribution
In this learning activity you'll calculate the numeric value of an area when given the z scores.
The TI-83 Plus Calculator: Complex Number Conversion
By Patrick Hoppe
Learners examine how to convert numbers from rectangular to polar form and from polar to rectangular form using a TI-83 Plus calculator.
The TI-83 Plus Calculator: The Power Function
Learners examine how to raise a number to a power using the TI-83 Plus calculator. Sample problems are given using both real and complex numbers.
The TI-83 Plus Calculator: Using the Arctangent Function
Learners read how to use the arctangent function to calculate the theta of an angle. The proper keystrokes are displayed.
The TI-83 Plus Calculator: Using the LOG Function
Students follow the correct keystrokes to calculate the logarithm of a number.
The Trapezoid
In this interactive object, learners study the properties of a trapezoid and use a geometric formula to find its perimeter and area.
The Triangle
Learners examine the properties of a triangle and work practice problems to find a triangle's perimeter and area.
Understanding Place Value (Screencast)
By Laurie Jarvis
In this learning activity you'll review the place values of whole numbers.
Understanding Rounding
In this learning activity you'll practice rounding numbers.
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.
Units of Measurement
By Barbara Anderegg
In this learning activity you'll explore units of measurement.
Unity Fractions/Unit Cancellation
By Terry Lark
In this learning activity you'll demonstrate how to use unity fractions to complete conversion calculations.
Variation
In this learning object you'll review direct, inverse, joint, quadratic, and combined variations.