Variation - Application Problems

By Terry Lark

In this learning activity you'll practice two variation application problems.

Variation

In this learning object you'll review direct, inverse, joint, quadratic, and combined variations.

The TI-83 Plus Calculator: Using the LOG Function

By Patrick Hoppe

Students follow the correct keystrokes to calculate the logarithm of a number.

Statics: Resultant Calculations via Graphical Method

By Steve Whitmoyer

In this interactive learning object, students calculate a resultant of multiple forces acting in a concurrent, coplanar condition.

Solving Systems of Linear Equations Using the Substitution Method

By Allen Reed, Douglas Jensen

In a series of practice problems, learners use the substitution method to solve systems of linear equations, also called "simultaneous linear equations."

Solving Systems of Linear Equations Using the Addition or Subtraction Method (Screencast)

In a series of practice problems, learners use the addition or subtraction method to solve systems of linear equations, also called "simultaneous linear equations."

Solving Systems of Linear Equations Using the Addition or Subtraction Method

Solving Equations: Properties of Equality

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

Solving Equations that Contain Algebraic Fractions

By Jim Cihak

Learners use the lowest common denominator to simplify and then solve equations with algebraic fractions. Immediate feedback is provided. This animated object has audio content.

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.

Simplifying Square Roots

By Roy Peterson

In this learning activity you'll simplify square roots involving the product of a numeric and variable term.

Simplifying and Multiplying Algebraic Fractions

In this interactive object, learners follow step-by-step instructions for reducing algebraic fractions so that they can then be multiplied. This activity has audio content.

Simplifying Algebraic Fractions that Contain No Addition or Subtraction

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.

Simplifying Algebraic Fractions that Contain Addition and/or Subtraction

In this interactive object, learners follow step-by-step instructions for reducing algebraic fractions, which contain addition and/or subtraction, to their simplest form. This activity has audio content.

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.

Simplifying Algebraic Expressions: Division

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

Simplifying Algebraic Expressions: Addition & Subtraction

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

Quadratic Variation

In this learning activity you'll practice calculating a quadratic variation problem.

Numerical Curiosities: Part 4

By Jeganathan Sriskandarajah

In this fourth part in a series, learners follow the steps of the “mathemagician” to examine three numerical curiosities: Be a Psychic by Predicting Birthdays, Predict a Card with Mind Reading, and Predict the Three Die Values Your Opponent Has Rolled. Learners will also study palindromic numbers and look at two alphametric puzzles.

Numerical Curiosities: Part 3

In this interactive object, part 3 in a series, learners follow the steps of the “mathemagician” to examine four numerical curiosities: What’s Special About 1089, Perfect Squares: 1089 and 9801, The Mathematical Significance of 1776, and The Calculator Number Game. The learner will also study six number patterns and look at one remarkable table. Immediate feedback is provided.

Numerical Curiosities: Part 2

In part 2 of this series, learners follow the steps of the “mathemagician” to examine these numerical curiosities: The 189 Challenge; An Armstrong Number: What’s Special About 153? Is 495 Different or Indifferent? Is 6174 Different or Indifferent? It is always 618, and Beginning and Ending the Same.

Multiplying Monomials

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

Karnaugh Maps

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