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# Unit 4

### Math

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

Power | A number that represents repeated multiplication Example: 10^5 or 10 to the power of 5 |

Base | The number that is used as a factor. Example: 1 |

Exponent | Tells how many times the factor is used. Example: 2^6 |

Expression | Consists of a combination of numbers and an operation. Example: 2^2 + 2 |

Term | A part of an expression that is separated by a plus or a minus sign. Example: 1 + 2 |

Super Scripted Numbers | A exponent Example: ^5 |

Factor | Numbers you can multiply to get another number. |

Order Of Operations | The rules on how to solve an expression. Example: PEMDAS |

Numerical Expression | A mathematical phrase that has only numbers and one or more only operation symbols. Example: 4+3=7 |

Algebra | Uses letters or other symbols in place of unknown values, can be used in a expression. Example: 2+y=7 |

Algebraic Expression | A mathematical phrase that contains ordinary numbers, and variables. Example: 2+7=y |

Variable | A number that we have to figure out in an algebraic expression. Example: 2+y=7 Variable=y |

Equation | Says two things are equal, and has an "= "sign. Example: (12+3)=(14+1) |

Properties | Statements that are true for any number. Example: 6+10 or 10+6 |

Commutative Properties | Allows you to change the order in which two numbers are added or multiplied without changing the product or sum. Example: a+b or b+a, ab = ba |

Associative Properties | Allows you to change the grouping of two numbers that are being multiplied or added without changing the sum or the product. Example: (b+c) = (a+b), a(bc) or (ab)c |

Identity Properties | Allows you to add 0 to an number and not change its sum and allows you to do the same with multiplying but with 1 and the same with division. Example: 22+0, 22 x 1, and 22 / 1 |

Equivalent Expressions | Expressions that have the same sum but are switched around. Example: 6 x 10 or 10 x 6 |

Distributive Property | Multiply a group of numbers or separately. Example: 2(7*8) or 2*7 + 2*8 |

Factor the Expression | When numeric or algebraic expression are written as a product of their factors. Example: 12 + 8 |

Coefficient | A number used to multiply a variable. Example: 22x |

Constant | A number thats on its own. Example: 4x+7 |

Like Terms | To variable that are the same. Example: 2x+5x=7x |

Created by:
JoeQuartuccio22