Base five number pieces and visual diagrams for other bases, are used to introduce the concepts of grouping and place value in a positional numeration system. Just for Fun: Mind Reading Cards & Game of Nim

Base five number pieces are used to introduce addition and subtraction concepts and develop algorithms for addition and subtraction. Just for Fun: Force Out

Base-ten pieces are used to build a visual model for the multiplication algorithm. Just for Fun: Cross Numbers for Calculators

Base-ten pieces are used to illustrate two physical interpretations of division and develop the division algorithm. Just for Fun: Arabian Nights Mystery & Magic Formulas

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Some of the most exciting breakthrough in learning about ancient cultures have involved deciphering. Here's a chance to play archeologist as you experiment with the symbols of ancient numeration systems to decipher their meaning.

In This Chapter

Whole Numbers
	Classroom Readings Interactive Math Applet Models for Numeration with Multibase Pieces Bibliography Adding and Subtracting with Multibase Pieces Bibliography Multiplying with Base-Ten Pieces Bibliography Dividing with Base-Ten Pieces Bibliography