Unit 5 - Key Ideas (Decimals)

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  • 7/27/2019 Unit 5 - Key Ideas (Decimals)

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    DEPARTAMENTO DE MATEMTICAS. IES RIBERA DEL BULLAQUE. SECCIN EUROPEAMATERIAL DE MATEMTICAS EN INGLS. VOCABULARIO BSICO.

    Definiciones extradas de la pgina web: http://www.mathsisfun.com/definitions/index.html

    BLOQUE ARITMTICA - ARITHMETIC

    UNIDAD DIDCTICA 5: LOS NMEROS DECIMALES. DECIMAL NUMBERS

    Unidadesde milln

    CentenasDe mil

    Decenasde mil

    Unidadesde mil

    Centenas Decenas Unidades

    7 5 3 0 2 1 6

    Unidades Dcimas Centsimas MilsimasDiez

    milsimasCien

    milsimasMillonsimas

    7 5 3 0 2 1 6

    La coma decimal se simboliza con el punto.

    3.45 Three point four five. Three units, and forty- five hundredths.

    El punto nuestro de miles o de millones es una coma.

    7, 530,216 Seven million, five hundred and thirty thousand, two

    hundred and sixteen.

    EXPRESIONES.-EXPRESSIONS

    The decimal point appears between the ones and the tenths position.El punto decimal aparece entre las unidades y las dcimas.

    We need to place a zero in the thousandths position.Necesitamos colocar un cero en la posicin de las milsimas.

    0.0934 Nine hundred and thirtyfour ten-thousandths.

    Novecientos treinta y cuatro diez - milsimas.To line upAlinear los decimales en la misma columna.Amountcantidad. WithdrawnRetirado (dinero banco) DepositDeposito.

    Regular numberDecimal exacto

    Repeating decimalDecimal peridico

    Irrational numbersNmeros irracionales

    2/5 = 04 = 0.4 1/3 = 03333 = 0.333 = 3.141592

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    DEPARTAMENTO DE MATEMTICAS. IES RIBERA DEL BULLAQUE. SECCIN EUROPEAMATERIAL DE MATEMTICAS EN INGLS. VOCABULARIO BSICO.

    Definiciones extradas de la pgina web: http://www.mathsisfun.com/definitions/index.html

    SUMA ADDITION RESTA SUBTRACTION

    Line up the decimal points and then follow the rules for adding or subtracting wholenumbers, placing the decimal point in the same column.When one number has more decimal places than another, use zeros to give them the

    same number of decimal places.Add: 43.67 + 2.31) Line up the decimal points and adds a 0 on the right of the second.2) Then add. 43. 67

    2.3045.97

    MULTIPLICACIN MULTIPLICATION DIVISIN DIVISION

    How many digits to leave to the rightof the decimal point. Add the numberof digits to the right of the decimalpoint in both factor.

    10.22.3

    306204 _23.46 _

    Continue the whole division adding zeros tothe right of the number being divided untilyou get the amount of decimal digitsrequired.

    FRACTION CONVERTER.

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