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# Math power words

### WKCE PREP

MULTIPLICATION One of the 4 basic operations; repeated addition. e.g. 4 X 3 = four 3's 3+3+3+3
NUMBER SENTENCE an equation or inequality expressed using numbers and common symbols
BELONGS to be a part of
NUMBER PATTERN A sequence of numbers arranged according to some formula. e.g. 1, 2, 4, 7, 11, ...
RULE method for performing a mathematical operation
SIGN A conventional figure or device that stands for a word, phrase, or operation; a symbol, as in mathematics a device that stands for a word, phrase, or operation; a symbol in mathematics
FACES A flat side of a solid figure. e.g. a cube has 6 faces
GRAPH a diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.
EXPLAIN to assign a meaning to; interpret; o make known in detail
PATTERN BLOCKS geometric manipulatives
MEASURE to estimate the relative amount, value, etc., of, by comparison with some standard
EVENLY equal in measure or quantity
OBJECT an object is just an element of the set of things named objects in the definition of a category ("a category is a collection of objects together with arrows between those objects...").
LEAST smallest in size, amount, degree, etc.; slightes
GROUP any collection or assemblage of persons or things; cluster; aggregation:
NUMBER LINE A line on which real numbers are assigned to points. points to the left of 0 are negative and points to the right are positive.
MODEL a representation, generally in miniature, to show the construction or appearance of something.
CYLINDER A Three dimensional shape with a parallel circle and each end and joined by a curved surface.
SQUARE UNIT A unit for measuring areas, such as square foot, square meter etc.
EQUATION a math sentence using the equals sign between 2 expressions naming the same number
SOLVE to work out the answer or solution to (a mathematical problem)
GEOMETRIC of or pertaining to geometry;resembling figures used in geometry;a geometric pattern, design, etc
SYMMETRY Two halves which match perfectly. 3 kinds of symmetry-line or reflectional, Plane, and Point
LINE SEGMENT A straight path that has a beginning and an end - endpoints. part of a line
ORDERED PAIRS a set of two numbers in which the order has an agreed upon meaning. Such as the cartesian coordinates (x, y), where it is agreed that the first coordinate represents the horizontal position, and the second coordinate represents the vertical position
COORDINATE The ordered pair of a number associated with a point on a graph; (x,y)
MEAN The mean is the same as the average. Add up the series of numbers and divide the sum by the number of values.
MEDIAN The Median is the 'middle value' in your list or series of numbers
MODE The mode in a list of numbers refers to the list of numbers that occur most frequently. A trick to remember this one is to remember that mode starts with the same first two letters that most does.
RANGE The difference between the greatest number and the least number in a set of data
POINT The simplest figure in geometry, pictured by a dot
FIGURE A set of points. Such a set can be line segments, triangles, or other polygons
CENTIMETER A centimeter is a unit of length in the metric system. It is one hundredth of a meter 1cm = 1/100 m
EXACTLY in an exact manner; accurately or precisely
PYRAMID A polyhedron with a base that is a polygonal region and having 3 or more triangular faces
CONGRUENT 2 geometric figures that have the same shape and size
DECIMAL A number with a decimal point in it, such as 5.36, 0.04, or 0.3
PROBABILITY The ratio of the number of outcomes favoring an event to the total number of possible outcomes
METER The basic unit of length in the metric system of measurement. Most doorways are about 2 meters high
PERCENT A ratio of a number to 100. "per hundred" or "out of 100"
PERIMETER The total distance around the outside of a polygon. The total distance around is obtained by adding tegether the units of measure from each side.
RIGHT TRIANGLE A triangle having one angle equal to 90°.
SCALE The horizontal scale across the bottom and the vertical scale along the side of a graph tell us how much or how many.
DIGITs Digits are making reference to numerals. 176 is a 3 digit number.
ANGLE A figure formed by 2 rays starting from the same endpoint
NETS A flattened 3-D shape that can be turned into a 3-D object with glue/tape and folding.
CUBE A rectangular prism having 6 square faces
POLYGON Line segments joined together to form a closed figure. Rectangles, squares, pentagons are all examples of polygons.
EXPANDED FORM Expanded form shows the number expanded into an addition statement. The expanded form of 495,786 is 400,000 + 90,000 + 5,000 + 700 + 80 + 6.
TRUE being in accordance with the actual state or conditions; conforming to reality or fact; not false
3-DIMENSIONAL An object that has height, width and depth, like any object in the real world. Example: your body is three-dimensional.
EQUIVALENT Equal in amount, force, or value
COMMON MULTIPLE A number that is a multiple of two or more numbers
LEAST COMMON MULTIPLE (LCD) The least number that is a multiple of 2 or more nonzero given numbers
STEM-AND-LEAF PLOT A data display that lists the last digits ("leaves")of the data values to the right of the earlier digits ("stems")
EDGE(s) A segment where 2 faces of a space figure are joined
PROTRACTOR An instrument for measuring angles in degrees
FRACTION A number that can be expressed in the form a/b, where a & b are whole numbers (b cannot = 0)Its numerator is a and denominator is b
PRIME NUMBER A whole number greater than 1 that has exactly 2 factors, 1 and itself
WORD PROBLEM any mathematics exercise expressed as a hypothetical situation explained in words
COMPOSITE NUMBERS A number that has more than 2 factors; e.g. 8 is composite-its factors are 1, 2, 4, and 8
APPROXIMATE to estimate; nearly exact; not perfectly accurate or correct
SIMILAR (of figures) having the same shape; having corresponding sides proportional and corresponding angles equal:
ROTATE to cause to turn around an axis or center point; revolve.