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# M.3 Vocabulary

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

approximate | close in value or amount, about, not exact |

area | the number of square units needed to cover a surface or figure |

attribute | a characteristic or component of a geometric figure |

bar graph | a graph using bars to show data |

base | the parallel faces of a prism or the face a solid object stands on |

coins | a small, flat, and usually round piece of metal issued by a government as money |

compare | to determine whether one number or set is more than, less than or equal to another number or set using symbols |

compose | to put smaller values together to form a number |

composite figure | a new shape made by combining two or more shapes |

cone | a three-dimensional solid with one base that is a circle and a curved surface that meets at a vertex |

congruent | having same size and shape |

consecutive | whole numbers that follow each other without any gaps |

credit | borrowing money or buying something now and agreeing to pay it back in the future |

cylinder | a three-dimensional solid with two parallel, congruent circular bases and one curved surface |

data | list of collected numerical data |

decompose | to separate a number into two or more parts |

denominator | in a fraction, the number of equal parts or groups in the whole; bottom number |

difference | the amount left over when one number is subtracted from another; the answer to a subtraction problem |

digit | any of the symbols 0, 1, 2, 3, 4, 5, 6 7, 8, or 9 |

dime | has a value of ten cents; also written as 10¢ or $0.10 |

distance | the length between two points or objects |

dollar sign | a symbol placed before a number to represent money |

dot plot | a display of responses along a number line with dots used to indicate the number of times a response occurred |

edge | a line segment where two faces of a three dimensional solid meet |

eighths | eight equal parts in the whole |

equal to | having the same overall value |

equation | a number sentence that uses the equal sign to show that two expressions have the same value |

equivalent | having the same value |

estimate | a strategic choice of number |

even | a number when divided into groups of two has 0 remaining; divisible by two |

expanded form | a number written showing the value of its digits |

expression | a mathematical phrase that contains numbers and operators(+ - x ) ex: 3 x 4 |

face | a flat surface of a three-dimensional figure |

fourths | four equal parts in the whole |

frequency table | a way to display data that shows how many times a response occurs in a set of data |

greater than | the relationship between numbers when one number's value is more than another number's value |

halves | two equal parts in the whole |

income | money earned for work done |

input-output table | a table that uses a rule to relate one set of numbers to another set of numbers |

justify | showing your work and explaining your thinking |

length | the distance from one end to the other end of an object |

less than | the relationship between numbers when one number's value is less than another number's value |

nickel | has a value of 5 cents; also written as 5¢ or $0.05 |

number pairs | two numbers that are related |

number sentence | a mathematical sentence written using numbers and symbols |

numerator | in a fraction, the number of parts counted; top number |

odd | a number when it is divided into groups of two with one remaining; not divisible by two |

parallel | a pair of lines that are equal distance apart and will never meet |

parallelogram | a quadrilateral with two sets of parallel sides |

part of a whole | the fraction that represents a relationship between a whole and its part |

partition | equally separate a number line, strip, region or group of objects |

pattern | repeated order following a rule |

penny | has a value of 1 cent; also written as 1¢ or $0.01 |

perimeter | the distance around a two-dimensional figure |

pictograph | a graph using pictures or symbols to show data |

place value | is the value a digit has based on its position in a number |

polygon | a two-dimensional shape with 3 or more straight sides |

pyramid | a three-dimensional figure containing a base that is a polygon and the faces are triangles that share a common vertex |

quadrilateral | a polygon with 4 sides |

quater | has a value of 25 cents; also written as 25¢ or $0.25 |

reasonableness | using logic to justify the solution to a problem |

regular polygon | a polygon having all equal sides |

relationship | the reason or way numbers or objects are connected or organized |

rhombus | a quadrilateral with four congruent sides and two sets of parallel sides |

same-size whole | refers to wholes that are the same size |

spending | trading money for goods or services |

sphere | a three dimensional solid in which every point on its curved surface is the same distance from the center |

standard form | writing numbers using digits |

sum | the result to adding numbers or quantities together; the answer to an addition problem |

summarize a data set | analyze the information in a graph |

trapezoid | a quadrilateral with one set of parallel sides |

unit fraction | a fraction with a numerator of one; names one part of the whole |

value | worth of a number, symbol, or object |

vertex | the point where two or more edges or line segments meet |

weight | a measure of how heavy an object is |

word form | a number written in words |