Prime Time:  Investigation 3: CommonMultiples And Common Factors
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Factors Prime Time
(University Of Michigan)

Concept with Explanation
Selected Homework from ACE

In Prime Time students will explore certain important properties of whole numbers, especially those related to multiplication and division. The investigations in this unit will help students to:

• Understand relationships among factors, multiples, divisors, and products;
• Recognize and use properties of prime and composite numbers, even and odd numbers, and square numbers;
• Use rectangles to represent the factor pairs of numbers;
• Develop strategies for finding factors and multiples, least common multiples, and greatest common factors;
• Recognize and use the fact that every whole number can be written in exactly one way as a product of prime numbers;
• Use factors and multiples to solve problems and to explain some numerical facts of everyday life; and
• Develop a variety of strategies for solving problems building models, making lists and tables, drawing diagrams, and solving simpler problems.
 Vocabulary
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