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# Math Vocab

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

Digits | numerals 0 through 9 |

Whole numbers | integers; starts at 0 and continues infinitely; not fractions |

Odd | any number not evenly divisible by 2; starts at number 1 |

Even | numbers evenly divisible by 2; starts at 0 |

Prime | numbers only divisible by 1 and itself; no other factors other than 1 and itself (0 or 1 are not prime) |

Composite | all other numbers that are not prime; do have more factors than 1 and itself (0 or 1 are not composite) |

Operations | add, subtract, multiply, divide |

Equation | a number sentence that contains an equal sign, showing that two expressions are equal (2+4= 2x3) |

Expression | a combination of numbers, variables, and at least one operation |

Evaluate | to find the value of an expression; to solve |

Zero | used as a placeholder |

Equal sign | means both sides are balanced |

Fraction | a number that represents part of a whole or part of a set |

Decimal | a number that has a digit in the tenths place, hundredths place, thousandths place, and beyond |

Percent | a fractional part of one out of one hundred |

Strategies | a plan or method used to find answers |

Division | the inverse of multiplication |

Subtraction | the inverse of addition |

Exponent | a symbol written above and to the right of a number to tell how many times it is to be used as a factor |

Order of Operations | a set of rules to follow when m,ore than one operation is used in an expression (P E M D A S) |

Sum | answer to addition problem |

Difference | answer to subtraction problem |

Quotient | answer to division problem |

Product | answer to multiplication problem |

Place Value | the value a digit has based upon its position in the place value chart |

Make sense? | what should be asked to test the reasonableness of your answer |

Powers of 10 | 10 being multiplied by itself over and over again; makes a pattern of zeros |

Base | in an exponent, it is the number being used as a factor |

Mixed Number | whole number plus a fraction |

Improper Fraction | fraction whose value is more than one |

Proper Fraction | fraction whose value is one or less than one |

Fractional Whole | the value of 1 whole written as an improper fraction Ex: 3/3 = 1 |