Unity Fractions/Unit Cancellation

By Terry Lark

In this learning activity you'll demonstrate how to use unity fractions to complete conversion calculations.

Casio fx-260 Solar Calculator - Using the Keys

By Suzi Hunsader

In this learning activity you'll practice using the keys on the Casio fx-260 Solar Calculator.

Operations with Zero

By Allen Reed, Douglas Jensen

Learners review the basic math operations involving zero, emphasizing that division by zero is undefined. Examples are given.

Multiplying Monomials

By Roy Peterson

In this learning activity you'll identify and calculate the multiplication of monomials.

Learn to Count by Common Radian Units

By Laura Shears

The target audience of this learning object is trigonometry students who have already learned what a radian is and have already derived the key values of the coordinates associated with common radian units, but now need to practice finding those values on the unit circle. The student does not need to know the definition of the six trig functions to do this activity.

Subtracting Mixed Number Fractions with Borrowing

By Pat Walker

In this learning activity you'll perform subtraction calculations using borrowing with mixed number fractions.

An Algorithm for Binary Subtraction

By Kevin Ritzman

Students use the Base Minus One Complement method to perform binary subtraction. This learning activity has audio content and immediate feedback.

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 and Dividing Signed Numbers

By Mona Wenrich

Students read the rules used in multiplying and dividing signed numbers. They view examples and work practice problems.

Solving Equations: Properties of Equality

In this interactive object, learners examine the properties of equality and use those properties to solve simple equations.

Identifying Key Words in Math Problems

By Lori Pennock, Sharon Chase, Robin Horne, Danene Dusenske, Barbara Foye

In this learning activity you'll read key words that direct you to add, subtract, multiply, or divide.

Sine Bar

By Barbara Anderegg

In this learning activity you'll examine how a sine bar is used to measure angles.

Needs Vs. Wants

By Kristin Biekkola

In this learning activity you'll identify the difference between needs and wants related to building a personal budget.

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.

Factoring by the Difference of Two Perfect Squares

In this learning activity you'll factor problems using the difference of two perfect squares.

Statics - Trig: The Pythagorean Theorem Using a TI-36XCalculator

By Steve Whitmoyer

In this animated and interactive object, the learner uses a TI-36X calculator to solve for the magnitude of the resultant and of one of the component forces in a right triangle.

Order of Operations (Screencast)

By Barb Hummel

In this activity you'll calculate equations using the order of operations. You'll be introduced to what it is and how it works.

Learning to Use the Casio fx-260 Solar Calculator

In this learning activity you'll explore the keys on the Casio fx260 Solar Calculator.

The Normal Distribution and the Empirical Rule

By Jolene Hartwick

In this learning activity you'll use the Empirical Rule to calculate the percentages of data between two data points.

Karnaugh Maps

By Patrick Hoppe

Learners examine the Karnaugh map for a three-variable system. Several examples are given.

Statistical Data Types

By Thomas Pomykalski

Learners read about the different uses of the word "data." They will test themselves on examples of data that is singular, plural, qualitative, quantitative, nominal, ordinal, interval, rational, discrete, or continuous.

Labeling a Right Triangle

In this learning activity you'll identify the sides of a right triangle with respect to the angles.

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.

Practical Trigonometry (Screencast)

After a brief review, the student solves five practical shop problems using right angle trigonometry.

Evaluating Trigonometric Ratios

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