# Homework Help #1: Geometry Review

Please remember that DeltaMath is not intended to teach you new math: if you are stuck and need help learning a topic, come to office hours or academic coaching to get help.

No. | Topic | Examples | Video |
---|---|---|---|

1 | Adding and Subtracting Fractions | mp4 | |

2 | Multiplying Fractions | mp4 | |

3 | Dividing Fractions | mp4 | |

4 | Reducing Fractions | mp4 | |

5 | Finding the Area of Triangles (using base lengths and heights) | mp4 | |

6 | Finding Base Lengths of Triangles (using areas and heights) | mp4 | |

7 | Areas of Composite Shapes | mp4 | |

8 | Areas of Trapezoids (two approaches: composite shape and area formula) | mp4 |