In this interactive object, learners examine the properties of equality and use those properties to solve simple equations.
Ratios and Proportions
By Allen Reed, Douglas Jensen
In this interactive object, learners simplify ratios and solve problems using proportions. All terms are defined.
The Mathematics of Buying: Putting It All Together
By Mary Lee Rudnick-Kaun
Learners tackle this interactive learning object after studying the mathematics of buying. This activity ties together the ideas of net cost, list price, trade discounts, cash discounts, net cost equivalent, and single discount equivalent, as well as the concepts of part, base, and rate.
By Patrick Hoppe
Learners examine the Karnaugh map for a three-variable system. Several examples are given.
Learners examine the properties of a triangle and work practice problems to find a triangle's perimeter and area.
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