How to recognize the sums. [Activities in classes]

Sums are mathematical operations that add quantities, numbers or things. Learning to add is one of the first lessons that children receive in school, so knowing the sums and how to calculate the sums is essential to support the children in their learning. The sum allows us to join quantities or sets, and for this we must always have a minimum of two elements, it also allows us to work with natural numbers, with integers, with rational numbers, with real numbers and with complex numbers.

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To add correctly, it is important to know the parts of the operation, which usually consist of two numbers and the symbol of addiction, known as the cross (+).

How to add?

Add online: these mathematical operations are usually performed, with numbers one next to the other, also considered as a sum without carrying. composed of small numbers, which allow a mental calculation of the sum or with the help of the fingers.

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Add in the column: this kind of sums, on the other hand, are indicated for the more complex sums exercises in which the numbers are higher. This way of calculating the sums places the numbers one below the other to better organize numbers and calculations, especially in those sums they carry.

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The numbers to add are called addends and the number obtained from the addition is called result. In the case of linear additions the result is placed behind the symbol (=) while in the column sums a line is drawn under the last addition and the result is placed below said drawn line.

Activities to put into practice with children:

• You can give the children cubes, tokens, coins, or toys of different colors and shapes so you can count them in a group and then separate them. One way to get children's attention is to use food such as fruits or candy, so you know how many you have and which you want to share.

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• In classes you can take advantage of children's hyperactivity and separate them into groups by size, age, and class so that they can count on each other. You can also ask him to speak and list his family group. It is important that they relate mathematics to everyday life.

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Math can be taught and learned in a fun way, so that children can see the good side and want to learn much more about this subject that is fundamental at a personal and professional level.