Chapter DescriptionChapter 4 Number Theory Activity Set 4.1 Models for Even Numbers, Odd Numbers, Factors, and Primes
Colored tiles are used to give a geometric form to sequences of odd and even numbers. Numbers are represented by rectangular arrays of tile to give meaning to the ideas of factors of a number and prime and composite numbers.
Just for Fun: Number Chart Primes and MultiplesActivity Set 4.2 Models for Greatest Common Factor and Least Common Multiple
A linear model is used to illustrate the concepts of greatest common factor and least common multiple and how they are related.
Just for Fun: Star Polygons
Interactive Applet: Star PolygonsElementary School Activity: Exploring Factors and Primes with Color Tiles
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