problem name | ages | topics | multiples | other standard(s) |
---|---|---|---|---|

Handshaking | 12-adult | sums of positive integers, combinations, complete graphs | representations | geometry, variable, data |

Tree farm | 8-12 | counting, grouping, multiplication, commutativity | approaches | |

Checkers | 8-adult | positive integer addition | approaches | |

Garden fence | 12-adult | positive integer addition, multiplication, perimeter, area | representations | geometry, measurement |

Getting paid | 8-adult | positive fractions | interpretations | measurement |

Coat quarters | 10-adult | positive fractions, discount | interpretations | |

Painting the house | 8-adult | positive fraction division | representations | |

Tortillas | 16-adult | positive fraction subtraction, algorithms | extensions | |

Collecting gold | 12-adult | positive decimals, addition | approaches | measurement |

Had by an ad? | 12-adult | comparing fractions using percent | approaches | measurement |

Defective CDs | 12-adult | using fractions in inappropriate ways | interpretations | |

*Last modified 8 July, 2003*