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In a series of practice problems, learners use the substitution method to solve systems of linear equations, also called "simultaneous linear equations."
Excel: Complex Addition
By Patrick Hoppe
Students view the steps to follow to add complex numbers in Excel.
By Allen Reed, Douglas Jensen
In this animated activity, learners read the definition of a parallelogram and then find the perimeter and area of parallelograms in practice problems.
Simplifying Algebraic Expressions: Addition & Subtraction
Learners read definitions of the terminology associated with algebraic operations and then follow steps 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.
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