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Unit 1 - Key Ideas (Divisibility)

Eva Perdiguero + Jenny Eather

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0% found this document useful (0 votes)
52 views3 pages

Unit 1 - Key Ideas (Divisibility)

Eva Perdiguero + Jenny Eather

Uploaded by

bemdas
Copyright
© Attribution Non-Commercial (BY-NC)
We take content rights seriously. If you suspect this is your content, claim it here.
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DEPARTAMENTO DE MATEMTICAS. IES RIBERA DEL BULLAQUE. SECCIN EUROPEA MATERIAL DE MATEMTICAS EN INGLS. VOCABULARIO BSICO.

BLOQUE ARITMTICA - ARITHMETIC UNIDAD DIDCTICA 2: DIVISIBILIDAD. DIVISIBILITY MLTIPLOS - MULTIPLES The products of a number with the natural numbers: 1, 2, 3, 4, are called the multiples of the number.
The multiples of 7 are: 7, 14, 21, 7, 14, 21, . Are multiples of 7. 7 is gods number and its multiples are

Write down the first ten multiples of


Anota los diez primeros mltiplos de

write down the three smallest multiples of 8 which are over 50


Anota los tres mltiplos de 8 ms pequeos que superen 50.

Obtain some multiples of


Obtener algunos mltiplos de

Find three multiples of 11 between 10 and 30


Busca tres mltiplos de 11 entre 10 y 30.

Find out if 24 is a multiple of 2.


Descubre si 24 es un mltiplo de 2.

DIVISORES FACTORS (divisors) A whole number that divides exactly into another whole number is called a factor of that number.
The factors of 7 are: 1, 7 1, 7 are factors of 7. 7 is gods number and its factors are

List all the factors of


Haz una lista de todos los divisores de

Work out all the factors of


Calcula todos los divisores de

Point out which of these numbers have exactly three factors


Seala cules de los siguientes nmeros tienen exactamente tres divisores.

Euclid /iuclid/ Euclides To factor Factorizar

The sieve of Eratosthenes La criba de Factor tree Arbol de factorizacin.

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

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

PRIMO PRIME / COMPOSITE - COMPUESTO PRIME: number that has exactly two factors 1 and itself. COMPOSITE NUMBER: number that has more than two factors.
The number 5 is prime, because it has exactly two factors 1 and 5. 12 is a composite number, because it has more than two factors.
6 2 4 3

List all the factors of


Haz una lista de todos los divisores de

Work out all the factors of


Calcula todos los divisores de

Point out which of these numbers have exactly three factors


Seala cules de los siguientes nmeros tienen exactamente tres divisores.

M.C.D - GREATEST COMMON FACTOR (G.C.F.) The highest (greatest) common factor of several numbers is the largest number that evenly divides into all of them.
4 is the greatest common factor to 16, 24 and 36.
To find GCF o Find the prime factor descomposition o Choose only the common factor with the least exponents (orders)

m.c.m. LEAST COMMON MULTIPLE (L.C.M.) The least common multiple of several numbers is the smallest number that is multiple of all of them.
The least common factor of 4 and 3 is 12.
To find LCM o Find the prime factor descomposition. o Choose the common factor and the not common factor with the greatest exponents

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

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