Patterns and Functions: Rate of Change |

Patterns and Functions: Reasoning and Interpreting |

Patterns and Functions: Sequences as Functions - Recursion |

Patterns and Functions: Teachers Knowledge of Function |

Patterns and Functions: Transforming Functions |

Patterns and Functions: Vertical Line Test |

Variables & Expressions: Acceptance of Lack of Closure |

Variables & Expressions: Algebraic Notation |

Variables & Expressions: Conservation of Variables--Can variables change? |

Variables & Expressions: Introduction |

Variables & Expressions: Letter Evaluated |

Variables & Expressions: Letter Not Used |

Variables & Expressions: Letter used as a generalized number |

Variables & Expressions: Letter used as a specific unknown. |

Variables & Expressions: Letter used as a variable. |

Variables & Expressions: Letter used as an object |

Variables & Expressions: Perimeter, Area, and Variables |

Variables & Expressions: Representation--What can variables stand for? |

Variables & Expressions: Translation difficulties in changing words to algebraic sentences |