Simplifying Algebraic Expressions: Division
By Allen Reed, Douglas Jensen
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.
Finding the Lowest Common Denominator for Algebraic Fractions
By Jim Cihak
In this interactive and animated object, learners follow instructions for finding the lowest common denominator for a group of algebraic fractions. Immediate feedback is provided. This activity has audio content.
Direct Variation
By Terry Lark
In this learning activity you'll walk through a direct variation problem.
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."
Reconciling a Business Checking Account Statement
By Virginia Riggs
Learners examine a bank statement and a reconciliation form and study how to balance a checking account.
Personal Savings/Spending Plan for Adults - Projected
By Kristin Biekkola
In this learning activity you'll complete your own budget to understand the concept of needs and wants relating to building a personal budget.
Numerical Curiosities: Part 3
By Jeganathan Sriskandarajah
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.
Understanding Rounding
By Laurie Jarvis
In this learning activity you'll practice rounding numbers.
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.
Statics - Trig: The Law of Cosines Using a TI-36X Calculator
By Steve Whitmoyer
Learners apply the Law of Cosines to determine forces using a TI-36X calculator in this animated object.
Important Zeros
In this learning activity you'll assess which zeros are important when defining a number and which zeros can be dropped.
Combined Variation
In this learning activity you'll practice calculating a combined variation problem.
Creating Histograms
By Mary Lee Rudnick-Kaun
Students follow steps to transfer data from a list to a histogram.
Sorting Out Math Symbols
By Barbara Laedtke
In this learning activity you'll review different math symbols and identify them in a matching exercise.
Conversions: Fractions-Decimals- Percents Pre-Test
By Suzi Hunsader
Students perform conversions among fractions, decimals, and percentages in this assessment.
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.
Scientific Notation - Converting Numbers Larger Than 1 to Scientific Notation (Screencast)
By Danene Dusenske
In this learning activity you'll review scientific notation and practice expressing numbers larger than 1.
Calculating Exponents
By Francine Nettesheim
In this learning activity you'll calculate exponents. You'll practice breaking down exponents and calculating the results.
Solving Equations that Contain Algebraic Fractions
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.
Conversions: Fractions-Decimals- Percents
Students recognize the conversions used among fractions, decimals, and percents
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.
Multiplication of a String of Signed Numbers
Students read how to organize their work when multiplying more than two signed numbers. A review and practice problems complete the activity.
Right Triangles That Are Special: Using the Pythagorean Theorem
By Michele Williams
In this learning activity you'll apply the Pythagorean Theorem to isosceles and equilateral triangles.
Grouped Numerical Frequency Distributions -- Determining the Lower and Upper Limits: Fifth in a Series
By Thomas Pomykalski
Learners follow steps to establish the lower and upper limits in a spreadsheet.
Variation
In this learning object you'll review direct, inverse, joint, quadratic, and combined variations.