**8th Grade - Mathematics:**

**Miscellaneous - Rational Numbers**

Adding and Subtracting Integers with Chips | Use this “gizmo” to figure out the answer to basic addition and subtraction problems involving integers |

All About Fractions | Need to brush up on fraction concepts? Check out this informative site |

Decimals Review | Review your decimal skills here! |

Divisibility Rules | How can you tell if a number is divisible by 2, 3, 4, 5, 6, 8, 9, 10, 12, or 15? Learn and practice the divisibility rules on this site |

Fraction Bars | Use this manipulative to model and compare various fractions and to find equivalent fractions. |

Fraction-Decimal Scale | Use this manipulative to compare fraction and decimal quantities or find equivalent fractions and decimals. |

Fraction-Percent Scale | Use this manipulative to compare fractions and percents of find equivalent fractions and percents. |

Fraction Model III | Check out this applet that helps you visualize fractions with just about any numerator and denominator. It also displays the percent and decimal equivalent |

Fraction Scale | Use this manipulative to compare fractions or find equivalent fractions. |

Math Goodies Percents | Informative tutorial site with lots of examples on percents – also includes interactive practice and links to more lessons |

Math Goodies Integers | Informative site with lots of examples on integers – also includes interactive practice and links to more lessons |

Number Jump | Practice moving in a negative and positive direction on a number line with this fun Math Doodle |

Visualize Equivalent Fractions | Use this visual model of fractions to find a common denominator and make equivalent fractions. Then find a fraction between the two given fractions. |

Visualize Percents | Need to check the answer to a percent problem? Try this applet |