### Home > INT1 > Chapter 1 > Lesson 1.1.2 > Problem 1-15

Examine the tile pattern shown at right.

On graph paper, draw Figure 4.

How many tiles will Figure 10 have? How do you know?

tile | tile | |

tile | tile | |

tile | tile | |

Figure 1 |

tile | tile | tile | tile | |

tile | tile | |||

tile | tile | tile | tile | |

Figure 2 |

tile | tile | tile | tile | tile | tile | |

tile | tile | |||||

tile | tile | tile | tile | tile | tile | |

Figure 3 |

Use the eTool to highlight the new tiles in each figure with a different color. How many new tiles are added each time?

To find the number of tiles in Figure 10 you can make a table and extend it to Figure 10, write an equation and let , or think about what figure

Use the eTool below to examine and draw the tile pattern.

Click the link at right for a full version of the eTool: Int1 1-15 HW eTool