The ecosistems and the digestiven sistem 

Hello,I whan to show some videos that they might serve.

 

This is a ecosystem and the digestive system in spanish 

Subtraction

		Start with 5 apples, then subtract 2, we are left with 3 apples.
This can be written: 5 − 2 = 3 Names Other names used in subtraction are Minus, Less, Difference, Decrease, Take Away, Deduct. The names of the numbers in a subtraction fact are: Minuend - Subtrahend = Difference Minuend: The number that is to be subtracted from. Subtrahend: The number that is to be subtracted. Difference: The result of subtracting one number from another.

Subtraction is ...

... taking one number away from another.

SIMBOL

The 
 Division 

 The division is splitting into equal parts or groups 

It´s the result of fair sharing.

Example:there are 12 chocolates,and 3 friends want to share them,how do they divide the chocolates 

12 chocolates                                  12 chocolates divided by 3

Simbols

The Addition

The result of adding two or more numbers.

Example: 9 is the sum of 2, 4 and 3 
(because 2 + 4 + 3 = 9).

... bringing two or more numbers (or things) together to make a new total.

Here 1 ball is added to 1 ball to make 2 balls:
Using Numerals it is:		1 + 1 = 2
And in words it is:		"One plus one equals two"

The organims

The organims there are:

Unicellular:organism with a single cell,Amobea,bacteria and paramoecium 

Multicellular:Organims consisting of many cells:

flower

Cat

Unicellular and multicellular

The number pf cells in the body varies with different organims.

In some lower forms of life [example:euglena,Amobea]the body is formed of a single cell;these organisms are described as unicellular.

In a unicellular organisms all life activites are carries out by this cell internol structures the intracellular structures

The multiplication 

The basic idea of multiplication repeated addition 

Exemple:5x3=5 + 5 + 5 = 15
But as well as multiplying by whole numbers, we can also multiply by fractions, decimals and more.

 

 Some Tips and Tricks

It is best to put the whole table into your memory using the multiplication tables, but here are some tricks that may help you remember your times tables.

The Best Trick

Every multiplication has a twin, which may be easier to remember. For example if you forget 8×5, you might remember 5×8. This way, you only have to remember half the table.

Every multiplication has a twin, which may be easier to remember.

For example if you forget 8×5, you might remember 5×8. This way, you only have to remember half the table.

The city sweet

The city sweet

Once upon a time there was one city very very sweet,but every inhabitat was boring. 

A person decided to make a campaigh to make every one play in the sweet parks.All of the children wanted but their parents didn't leave them to play because all the parks are full of chocolate because the person who made the campaight was very careless.

They passed the sad and dreary days and children could not go out and play but one day a woman came and thought he could fix this place and will clear all raue ask some workers call for every park will clear freshwater streams but chocolate they were too strong and that was a big problem for workers.

but workers would not surrender then decided to build a machine to absorb the chocolate then from that moment they began to work on the machine are days after the machine worked and all returned to work parkesbut suddenly I came a young and wanted all the parks that ALL are recovered completely were Haci mint one began to work on it with your team and all parks were mint nobody delos people like me spent their days and parks abandoned until all workers were in place and discussed were following that none of their ideas until it all came to a conclusion the woman was right parks were to be normal and all worked in groups and formed the best parks children came out to play and were taking pleasure.