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6º MATEMÁTICAS LOS NÚMEROS NATURALES

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Subido el 2 de febrero de 2020 por Ana Isabel A.

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Los Números Naturales

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Good morning, good afternoon, good evening, let's go there with the natural numbers that we play in the first saga, the natural numbers, as we well observe, we are going to follow the red circle, the natural numbers are the basis of all the numerical sets of mathematics, 00:00:40
We know how to use them, the operations that we can do with them and also the properties that they have. 00:01:16
In this saga, which is number 1, they propose you to be able to read, write and decompose any natural number, 00:01:22
also to order and round them, whether they are tens, hundreds, units of millions, etc. 00:01:30
If we continue, we are going to check or we are going to see a conceptual map. 00:01:35
conceptual map here we have the conceptual map which is the first thing we have to have in our 00:01:43
notebook as soon as we start the saga we are going to see the concept the concept of natural number well 00:01:51
they are expressions of values ​​of whole units they are increased from 1 to 1 from 0 it does not admit 00:02:00
partition, that is, the natural numbers are not decimal numbers and they do not admit 00:02:07
negative values or what is the same, only positive values ​​are expressed, so the 00:02:14
natural numbers are all those numbers that start from zero onwards that are not 00:02:20
the negatives and that do not admit the decimal numbers either. What is the function of these 00:02:25
natural numbers? Well, counting, measuring, numbering, coding, etc. What we are 00:02:30
tired and tired of doing throughout each of our days. How is the 00:02:37
graphical representation? Remember, in a numerical line from zero, in this 00:02:42
numerical line, it will start, imagine that it is this, it starts here, one, two, three, four, and 00:02:46
there will never be an in-between because natural numbers do not accept decimal numbers. 00:02:51
The order is always ordered from less, which would be the zero, to greater, depending on the occupation or the relative place it occupies. 00:02:57
How are the orders in magnitude? 00:03:07
Well, we see here, the small one would be unit, decen, centen, unit of milliard, decen of milliard, centen of milliard, unit of million, decen of million, centen of million, we know that there are more, but we are going to stay in this video until here. 00:03:08
and the approximation we also remember that last year we saw by rounding when we observe a 00:03:20
number we first have to know what we have to round it then if the next figure is 00:03:28
less than 5 the number remains the same and if it remains the same up to that number all the following 00:03:33
would be 0 and if it is 5 or greater than 5, the number to which we are rounding is increased 1 and 00:03:40
remember that the truncation is maintained in order and but without rounding, that is, for example here 00:03:50
it would be 49 let's see if we do it here very quickly or how big is this wait a moment 00:03:57
we are going to erase this one second and we do for example 49 the truncation truncation would be equal to 00:04:04
4 we forget about this they want us to truncate the units because this and in this case the 4.9 as 00:04:17
the figure and the units as the following figure is greater than 5 the rounding would be approximately 00:04:26
the same remember that it is not equal to 5 this taking into account that the natural numbers are not 00:04:33
decimals is so that we remember how the rounding and the truncation we are going to erase all 00:04:39
this quickly quickly quickly we are going to continue and we are going to see now what operations are the ones that 00:04:48
we can do with natural numbers like this we have to copy it in our notebook the 00:04:56
operations that we can do are sum that is also called addition and has 00:05:05
various three properties specifically the associative the commutative and the 00:05:10
neutral element that we will see within the saga subtraction subtraction that only 00:05:14
maintains the neutral element we can also multiply and the properties are 00:05:19
one more than the sum which is the associative distributive commutative 00:05:23
and neutral element the division that we are also a little already 00:05:28
tiredness and tiredness of doing, keep the neutral element in the divisor, the neutral element and the 00:05:32
combined operations that we like so much that we always have to have a hierarchy, remember 00:05:40
that first parenthesis, second multiplications and divisions and third sums and subtracts. Now in the saga 00:05:45
we are going to go deeper and do exercises on this that we just saw here very quickly, remember. 00:05:51
Idioma/s:
es
Materias:
Matemáticas
Autor/es:
Ana Álvarez
Subido por:
Ana Isabel A.
Licencia:
Reconocimiento - No comercial
Visualizaciones:
71
Fecha:
2 de febrero de 2020 - 11:42
Visibilidad:
Público
Centro:
CP INF-PRI FREGACEDOS
Duración:
06′
Relación de aspecto:
1.78:1
Resolución:
1280x720 píxeles
Tamaño:
85.20 MBytes

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