## Number pairs: a programed introduction to integers |

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### Contents

Boxes and Blocks | 1 |

Adding Number Pairs | 23 |

Special Number Pairs | 39 |

Copyright | |

1 other sections not shown

### Common terms and phrases

_-more 1-plain 3-more block 4-more pair 5-less pair Abelian group addend adding number pairs addition of integers addition of natural additive identity integer additive inverse integer ber pairs binary operation boxes than plain commutative Complete each pair Complete each sentence correct replacement Division of whole equal number pairs equal pairs example find the sum following number pairs form a group identity element integer associated integer represented inverse element left identity integer less pair names a set natural numbers negative integer number for addition number of plain number of shaded number that names number you add obtain the sum operation of addition pair g pair is called pairs of number plain boxes positive integer Properties of Addition represent the sum right identity integer second number set of equal set of integers set of number set of whole shaded boxes subtraction of integers subtraction of whole subtraction problem write the number