Other Review (Not based on classroom experience) Reviewer: ihor, Feb 15 2008 10:00:46:613PM |

Review based on: I haven't used this tpow, but have done this investigation many times with teachers and students. See my version of it at: http://www.ciese.org/ciesemath/crickets2.html |

Appropriate for: applications of a concept or technique |

Other Comments: Can be a good investigation using Excel or a graphing calculator. |

What math does one need to know to use the resource? Know what is meant by a formula.
Making graphs from 2 ordered pairs. |

What hardware expertise does one need to learn to use the resource? how to use a graphing calculator |

What extra things must be done to make it work? More data needed. Type of graph is not determined by just 2 ordered pairs. |

How hard was it for you to learn? Easy |

Explanation: It was easy to understand but difficult to implement with kids because so little information is given. |

Ability to meet my goals: Neutral |

Recommended for: Math 7: Linear relationships |

Technology PoW: TI-PoW: Chirp! Chirp! Review