## Integers: Positive and NegativeExplains the meaning of integers and discusses their uses. Includes directions for making a slide rule and a simple adding machine. |

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### Contents

Rewards and Penalties | 4 |

Keeping Score with Integers | 10 |

Picturing Integers as Arrows | 16 |

Copyright | |

4 other sections not shown

### Common terms and phrases

Adding Integers adding its opposite adding machine addition exercises answer window atom Bennington College checkers added checkers that cancel checkers to show checkers to stand checkers will give coin counting number crease Cut a strip Dollars Earned Dollars drawings below show Earned Dollars Spent edge electrical charge find the integer folded strip Free 5 Score head pointing inches wide integer stands Irving Adler Irving and Ruth John Day keep score label larger absolute value minus sign move 2 units move no units negative integer neutrons nucleus number line number of checkers number of dollars number of units one-step addition picture the integers play positive integer protons Reason Why Books rewards and penalties Ruth Adler second player sets of checkers shown slide rule strip of cardboard subtraction exercise three black checkers three points three red checkers toss total charge total score track window cards winning line zero