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# Blaine Math Chpt 1

### Math Vocabulary

Term | Definition |
---|---|

Conjecture | A statement believed to be true (2-4-6-_-_-_) |

Power | A number produced by raising a base to an exponent (2x2x2x2=16) |

Exponent | The number that indicates how many times the base is used (2x2x2x2=2*=16) |

Base | When a number is raised to a power, the number that is used as a factor (2*, it is the 2) |

Scientific notation | A method of writing very large or very small numbers (17,900,000=1.79 x 10* {*=7}) |

Numerical expression | An expression that contains only numbers and operations |

Order of operations | A rule for evaluating expressions: first perform the operations in parentheses, then compute powers and roots, then pform all multiplication and division from left to right, then perform all addition and subtraction from left to right |

Commutative property | You can add numbers in any order and multiply numbers in any order |

Associative property | When you add or multiply, you can group the numbers together in any combination |

Identity property | The sum of zero and any number is the number; the product of 1 and any number is the number |

Distributive property | For all real numbers, you can multiply numbers mentally by breaking apart one of the Numbers and writing it as a sum or difference. |

Variable | A symbol used to represent a quantity that can change |

Constant | A quantity that cannot change |

Algebraic expression | Consists of at least one variable |

Evaluate | Substitute a number for the variable |

Term | Can be a number, a variable, or a product of numbers and variables |

Coefficient | Number that is multiplied by a variable |

Equation | Mathematical statement that two expressions are equal in value |

Solutiion | Value or values that make it true |

Addition property of equality | You can add the same amount to both sides of an equation and the statement will still be true |

Inverse operations | Operations that undo each other |

Subtraction property of equality | You can subtract the same amount from both sides of an equation and the statement will still be true |

Mutiplication property of equality | You can multiply both sides of an equation by the same number and the statement will still be true |

Division property of equality | You can divide both sides of an equation by the same nonzero number and the statement will still be true |

Created by:
beth2244