glosario de términos matemáticos en inglés

Download Glosario de Términos matemáticos en Inglés

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Para cursos de álgebra dictados en inglés, y para personas, las cuales el inglés no es su lengua nativa.

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  • Glossary

    AsthisisaninternationalcoursegiveninEnglishthere'softenconfusionwithnonEnglishspeakingpeopleaboutsomeofthetermsusedandtheirunderlyingmeanings.Thisglossaryactsasasharedresourceforthesejargonwordsandtheirmeaningsasusedinthiscourse.FirsttheEnglishtermisgiven,thenanyapplicablemathematicalsymbol(s)andlastlyashortdefinitionwithanexample.

    Feelfreetoaddnewtermswhenmorecoursematerialisreleasedandhopefullybytheendofthecoursetherewillbealonglistofmathematicswordsandconcepts.

    Thetermsusedsofarinthecourse:

    Sum,addition

    Symbol:+

    Theaddingtogetherofonevaluetoasecondvalue.

    7+2=9(read:7plus2equals9)

    Difference,subtraction

    Symbol:

    Thetakingawayofonenumericalvaluefromanothervalue.

    23=1(read:2minus3equalsnegative1)

    Multiplication,product

    Symbol(s):*

    Takingonenumberandaddingittoitselfagivennumberoftimes.

    7*2=7+7=14(read:7multipliedby2equals14OR7times2equals14)

  • Division,quotient

    Symbol(s):/:andxy

    Thetakingawayofonenumberfromastartingnumberuntilyouareatzero.

    21/3=7(read:21dividedby3equals7)

    Negative

    Symbol:,thedashasin:x

    Avaluewhichistotheleftof0onthenumberline.

    Positive

    Symbol:Mostfrequentlynone,occasionallythe+signforemphasis.

    Avaluewhichistotherightof0onthenumberline.

    Absolute

    Symbol(s):|x|

    Thedistancebetweenthenumberxandzero.

    |3|=3,|3|=3

    Distance

    Thenumberofunitsofthenumberlinebetweenthelargestandsmallestnumber.

    Thedistancebetween2and7is72=5

    Evaluate

  • Tosolvetheequation,orapartofit.

    Equation,expression

    Anynumberofoperationsonasetofvariablesinordertogettoananswer.

    7+2*3/5=x

    x,y

    Mathematic'sfirstandsecondgreatunknowns.Basicallyashortwayofsaying:Idon'tknowthisvariablesoIreplaceitwithalettertoshortenmyequation.See'variable'.

    Equals

    Symbol:=

    Thebalancingsymbol.Whateverexpressionisontheleftsideofitmustbeequaltooneontheright.

    2=24

    OrderofEvaluation:P.ER.MD.AS

    P.ER.MD.ASisashorthandfortheorderofoperations.Itstandsfor:

    1. Parenthesis

    2. ExponentsandRoots

    3. MultiplicationandDivision

    4. AdditionandSubtraction.

    EvaluationstartswithP,thenEandR,thenMandDandfinallyAandS.

  • equation(8*2)+21firsttheParenthesesareevaluated,thenfromlefttorighttheevaluated(8*2)isaddedto2andfinally1issubtracted.

    Parentheses,bracketsandbraces

    Symbols:(and),[and],{and}

    Ameansofstatingorderofevaluation.Whateverisbetweentheparenthesismustbeevaluatedbeforeanythingelse.Bracketsandbracesareusedtoreplaceparenthesesoftherearealotofthem.

    (52)*4=12

    {4*[7+(4/2)]}=x

    Distributing(DistributiveLaw)

    Theactofgettingridofparenthesisinamultiplicationbymovinginthemultipliertoeachoftheelementsinsidetheparenthesis.

    4*(52)=4*54*2

    Factoringout(DistributiveLaw)

    Theactoftakingoutduplicatemultipliers.

    3*8+3*23*7=3*(8+27)

    Average

    Thenumberthatresultswhenagroupofvaluesisaddedtogetheranddividedbythenumberofelementswhichhadbeenaddedtogether.

    Agroupoffournumbers1,2,3,4haveanaverageof(1+2+3+4)/4=2.5

  • Numerator,denominator

    Thenumeratoristheuppernumberofafraction,itcountshowmanyslicesthereare.Thedenominationisthelowernumber,itgivesthesizeoftheslices.

    Greaterthan/lessthan

    symbols:>/