## Developing Mathematical Ideas: A Contemporary Approach, Book 1 |

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### Contents

SYSTEMS OF NUMERATION | 1 |

MATHEMATICAL SYSTEMS | 43 |

MULTIPLES FACTORS AND PRIMES | 129 |

Copyright | |

8 other sections not shown

### Common terms and phrases

ABCD adjacent angles answer casting out nines cent circle CLASS EXERCISES CLASS EXPLORATION collinear computation Copy and complete corresponding angles counting numbers decimal point degree measures denominator diagram diameter digits Divide division Draw elements empty set endpoint EXAMPLE Express Find a replacement Find the area Find the sum five following numbers following sentences true fraction in simplest geometric figures given identity element inches indicated integers interior isosceles label least common multiple length line segment linear units locate locus Name number line number of square numbers greater numbers less operation opposite pairs parallel parallelogram pennies perimeter plane containing polygon possible intersections prime factorization prime numbers protractor quadrilateral quotient radius rational numbers rectangle represent right angles set of points set of whole shown sides simple closed curve simplest form Solution Subtract symbols tally numeral total number trapezoid triangle ABC variable vertex vertical angles whole numbers Write zero