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.
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?
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.
Adding or Subtracting Algebraic Fractions
By Jim Cihak
Learners follow step-by-step instructions for finding the lowest common denominator for a group of algebraic fractions and then enter their answers to three problems. Immediate feedback is provided. This activity has audio content.
Adding Fractions With Unlike Denominators
By Tina Dietzman
Learners follow steps to add fractions with different denominators. They also review fraction concepts, do a drag-and-drop exercise involving fraction terms, and add fractions with common denominators.
Adding and Subtracting Signed Numbers
By Mona Wenrich
Learners follow the steps for adding and subtracting signed numbers and complete practice exercises.
A Visual Approach To Simplifying Radicals
In this animated object, learners follow a process for simplifying radicals.