## The mathematics of the elementary school |

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### Contents

WHAT lS MATHEMATlCS ABOUT? | 1 |

NUMBERS AND NUMERATlON SYSTEMS | 10 |

GEOMETRYANOTHER WAY OF LOOKlNG AT THE WORLD | 26 |

Copyright | |

21 other sections not shown

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AABC addition algorithm angles answer arithmetic array arrow base called candy bars Candy Candy centimeters Chapter circle column compute congruent coordinate corresponding counting decimal places decision box denominator division draw elements equal equation event example experiment factor flow chart frequency geometric greatest common factor ideas illustrate inches inequality intersection least common multiple length line segment ln Figure marbles match mathematical mean measure multiplication negative numbers number line number property number sentence operation outcomes pair percent plane polygon prism probability problem Question rational numbers rectangle region represent result shown in Figure shows sides simple closed curve solution set square subset subtraction Suppose symbol tion toss tracing tree diagram triangle unit vertical whole numbers write X X X X X X X x x xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx