In this animated activity, learners listen to instructions for simplifying a complex fraction by finding the least common denominator. This learning object requires a computer that is equipped with speakers.

Students read how to organize their work when multiplying more than two signed numbers. A review and practice problems complete the activity.

In this learning activity you'll use a chart and a calculator to find prime numbers 1 and 100.

Learners review the basic math operations involving zero, emphasizing that division by zero is undefined. Examples are given.