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# Saxon Math 54

### Vocabulary Saxon Math 54

Question | Answer |
---|---|

addend | Any one of the numbers added in an addition problem. |

angle | The opening between two lines or segments that intersect. |

area | The size of the inside of a flat shape. |

average | The number that would be in each group if the groups were made equal. |

bar graph | A graph that uses rectangles to show numbers or measurements. |

century | One hundred years. |

chance | How likely it is that something will happen. |

circle graph | A graph made of a circle divided into sections, sometimes called a pie graph. |

circumference | The distance around a circle; the perimeter of a circle. |

common denominators | Denominators that are the same. |

common years | Years with 365 days; not leap years. |

congruent | Having the same size and shape. |

counting numbers | All the numbers in this sequence: 1, 2, 3, , 5, 6, 7, 8, 9, 10,...(not fractions or decimals) |

decade | Ten years. |

decimal point | The dot in a decimal number. |

denominator | The bottom number in a fraction. It tells how many parts are in a whole. |

diameter | The distance across a circle through its center. |

difference | The answer in a subtraction problem. |

digit | Any of these symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Digits are used to write numbers. |

division bar | A line between two numbers that shows division. |

equals | Has the same value as. |

equivalent fractions | Different fractions that name the same amount. |

estimate | To carefully guess how much something is. |

even numbers | Numbers that can be divided by 2 without a remainder. Even numbers have 0,2,4,6, or 8 in the one's place. |

expanded form | A way to show a number by writing the value of each digit.(8,000+400+60+3) |

exponent | A number that shows how many times another number is a factor. |

fact family | Three numbers that can make four facts. (3+4=7, 4+3=7, 7-3=4, 7-4=3) |

factor | A number that is multiplied. |

fraction | A number that names part of a whole. |

fraction bar | A line between the numerator and denominator in a fraction. |

geometric solid | A shape that takes up space. |

graph | A diagram that shows, counts, or measures. |

greater than | Larger than. |

hexagon | A polygon with six sides. |

improper fraction | A fraction with a numerator greater than or equal to the denominator; a fraction that is greater than or equal to 1. |

intersecting lines | Lines that cross. |

leap years | Years with 366 days; not common years. |

less than | Smaller than. |

line graph | A graph that uses segments and points to show information. |

line segment | Part of a line. |

mixed number | A number made of a whole number and a fraction. |

multiple | The product of one whole number and another whole number greater than zero. (The multiples of 4 are 4,8,12,16,...) |

number line | A line that has marks labeled with numbers in order. |

numerator | The top number in a fraction. It tells how many parts of a whole are counted. |

octagon | A polygon with eight sides. |

odd numbers | Numbers that have a remainder of one when divided by 2. Odd numbers have 1,3,5,7, ot 9 in the one's place. |

ordinal numbers | Numbers that tell position or order. (first, second, third) |

parallel lines | Lines that stay the same distance apart; lines that do not cross. |

pentagon | A polygon with five sides. |

perimeter | The distance around a closed, flat shape. |

perpendicular lines | Lines that intersect and make square corners. |

pictograph | A graph with pictures of things being counted. |

polygon | A flat, closed shape with straight sides. |

probability | How likely it is that something will happen. (Written as a fraction.) |

product | The answer in a multiplication problem. |

quadrilateral | A polygon with four sides. |

radius | The distance from the center of a circle to a point on the circle. |

reduced fraction | An equivalent fraction written with a smaller numerator and denominator. |

regular polygon | A polygon with all sides the same length and all angles the same size. |

right angle | A square angle. |

Roman numerals | Symbols used by the ancient Romans to write numbers. |

scale | A type of number line used to measure things. Rulers, clocks, thermometers, and many other things have scales. |

sequence | A list of numbers that follows a rule. |

square unit | A square with sides of designated length. Square units are used to measure area. |

sum | The answer in an addition problem. |

table | Information written in columns and rows. |

tally mark | A small mark used to help keep track of a count. |

triangle | A polygon with three sides and three angles. |

whole numbers | All the numbers in this sequence: 0,1,2,3,4,5,6,7,8,9,10...(the counting numbers and zero) |

Created by:
michelemegna