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Toolkit
Math Pre-Alegbra
Question | Answer |
---|---|
absolute value | a numbers distance from zero |
acute angle | any angle whose measure is less than 90 degrees |
acute triangle | a triangle in which all sides are less than 90 degress |
additive inverse | opposite of a number |
algorithm | specific set of rules for solving a problem |
analyze | to seperate a thing into parts |
angle | two rays that meet at a common endpoint |
approimate | to estimate avalve which isn't exact but close enough to be of use |
associative property | sum or product of a set of numbers is the same no matter he way they are grouped |
arithmetic sequence | a sequence of numbers where a number is added or subtracted each time |
bargraph | a way of displaying data using horizontial or vertical |
base | the side or face od a 3-D stands quantity which is raised to power |
box and whisker plot | a box indicating the midlle 50% of the ranked statistics and the max/min of data quartiles/median |
circle | all points equidistant from a fixed point (center) |
cicle graph | a display of data using a circle divided into slices |
cicumference | distance around a circle |
communitive property | rule which stats that you may add or multiply in any order |
compare | to give similarities and difference |
composite numbers | a number with more than two factors |
concave polygon | a polygon that has a interior angler greater than 180 degrees |
cone | solid consisting of a circular base and one |
congruent | figures with the same size and shape |
contrast | to give diffrence |
convex polygon | a polygon that has no interior angle greater than 180 degrees |
coordinate plane | a two dimensional figure containing horizontal and vetical axes |
coorinates | ordered pair of numbers that desribe a point on a coordinate graph |
cube | solid with six square faces to raise a number to the 3rd power |
customary system | units of measurement used in the us |
cylinder | solid shape with parallel circulr bases |
diagonal | a line segment connecting 2 nonadjacent vertices in a polygon |
diameter | a line segment that passes through the center of a circle and divides it in half |
difference | answer to a subtraction problem |
distance | the length of the shortest line segment between 2 points lines planes |
distributive property | a(b+c)= ab + ac |
domain | set of possible values for the variable x values |
edge | a line segment where 2 faces of a polyhedron meet |
equation | a mathematical sentence stating that 2 expressions are equal |
equilateral triangle | all sides are equal length |
equilvalent forms | represent the same number |
estimate | an approximation or rough calculation |
expanded form | a method of writing a number that highlights the value of each digit |
experimental probality | ratio of the number of times an outcome happened to the total number of trails in an experiment |
exponential form | a number written using bases and exponents |
exponents | a numeral that indicates howmany times a number or expression is to be multiplied by itself |
expression | a combination of numbers, variables, and operation |