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.
Sine Bar
By Barbara Anderegg
In this learning activity you'll examine how a sine bar is used to measure angles.
Subtracting Mixed Number Fractions with Borrowing
By Pat Walker
In this learning activity you'll perform subtraction calculations using borrowing with mixed number fractions.
Karnaugh Maps
By Patrick Hoppe
Learners examine the Karnaugh map for a three-variable system. Several examples are given.
Operations with Zero
Learners review the basic math operations involving zero, emphasizing that division by zero is undefined. Examples are given.
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.
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.
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.
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.
Solving Equations: Properties of Equality
In this interactive object, learners examine the properties of equality and use those properties to solve simple equations.
Labeling a Right Triangle
In this learning activity you'll identify the sides of a right triangle with respect to the angles.
An Algorithm for Converting an Octal Number to a Decimal Number
By Kevin Ritzman
Learners examine two methods for converting an octal number to a decimal number. Exercises are provided at the end of the learning object.
An Algebraic Word Problem Involving Motion: Case 2
In this animated object, learners use an algebraic formula to solve the following problem: An airplane travels a certain distance with the wind in the same amount of time that it takes to travel a shorter distance against the wind. Given a constant wind speed, what is the speed of the plane without a wind?
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.
Simplifying Square Roots
In this learning activity you'll simplify square roots involving the product of a numeric and variable term.
Excel: Rectangular to Polar Conversion for Magnitude
Learners read how to convert complex numbers to their polar equivalent in Excel.
An Algorithm for Converting a Hexadecimal Number to a Decimal Number
In this animated and interactive object, learners follow two methods for converting a hexadecimal number to a decimal number. They test their knowledge in exercises at the end of the learning object.
Excel: Determining the Square Root of a Complex Number
Learners view the steps for determining the square root of a complex number in Excel.
An Algorithm for Converting a Decimal Number to a Hexadecimal Number
In this animated activity, learners examine a systematic method for converting a decimal number (base 10) into a hexadecimal number (base 16).
Subtracting Binary Numbers by Adding the 2's Complement
In this learning activity you'll solve three binary subtraction problems using the 2's complement method.
Evaluating the Six Trigonometric Functions
In this learning activity you'll evaluate the six trig functions using a scientific calculator.
An Algebraic Word Problem Involving Motion: Case 1
In this animated and interactive object, learners use an algebraic formula to solve a problem involving distance, rate, and time.
Excel: Rectangular to Polar Conversion for the Phase Angle in Radians
The conversion from rectangular to polar mode phase angle in radians is demonstrated in Excel.
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.
Casio fx-260 Solar Calculator - Defining the Keys
By Suzi Hunsader
In this learning activity you'll define the keys on the Casio fx-260 Solar Calculator.