A | B |

Addition | Combining two groups into one group |

Addend | The number that is added in an addition problem |

Sum | Answer to an addition problem |

Sequence | Counting pattern |

Place value | Position of a digit in relation to the other digits in a number |

Ordinal number | Number that tells position or order |

365 | Number of days in a non-leap year |

February | Month that gets the extra day in a leap year |

Difference | Answer to a subtraction problem |

Whole numbers | Counting numbers and the number 0 |

Line segment | Part of a line |

> | Greater than |

< | Less than |

Borrowing | Regrouping |

Scale | Number line used for measuring |

Farenheit | Scale that measures temperature |

MPH | Speed |

Hours, minutes, seconds | Number lines on a clock that measure time |

Minute | Long hand on a clock |

Hour | Short hand on a clock |

Noon | 12:00 p.m. |

Midnight | 12:00 a.m. |

Ruler | Measures length |

cm | Abbreviation for centimeter |

100 | Number of centimeters in a meter |

1000 | Number of meters in a kilometer |

km | Abbreviation for kilometer |

Square | Rectangle with four equal sides |

Denominator | Bottom number of a fraction |

Numerator | Top number of a fraction |

Fraction | Part of a whole |

Decimal point | Separates dollars from cents |

Parallel | Lines that stay the same distance apart from each other |

Intersect | Lines that cross |

Angle | Mathematical term for a corner |

Right angle | Square corner |

Perpendicular | Lines that intersect to form a right angle |

Factor | Number that is multiplied |

Product | Answer to a multiplication problem |

Square | Number times itself |