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Addition is one of the most basic knowledge in mathematics, it is used throughout the basic to advanced lessons, from math to life. So to better understand the addition? Let’s discover the details in the following article.

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What is addition?

The addition is also known as the sum of calculation, the result of the addition of quantities or numbers together. A total always contains a corresponding integer.

In mathematics, the sum is the addition of any sequence that is called the plus number (term) and the result is the sum. Besides adding numbers, it is also possible to perform this calculation with vectors, functions, polynomials, matrices, …

The symbol of addition is “+”.

Properties of addition

In addition, there will be the two most basic properties:

Commutative

In addition, commutative is the most characteristic. This is the property that in addition does not depend on the position of the numbers when combined together all produce the same result.

That is, it does not matter which number stands first, which one stands after combining, the results are the same.

Example: 5 + 3 = 8 that 3 + 5 = 8

Cohesive

The combination of addition is understood that when we add more than 2 numbers, the order of the plus calculation also has not changed results.

For example: (1 + 2) + 3 = 3 + 3 = 6 = 1 + 5 = 1 + (2 + 3).

In short, the addition is a basic calculation and the most fundamental knowledge when learning math that they will have to master. So parents should note that their children understand their nature to make math exactly.

Common forms of addition

In mathematics, the addition is divided into two main forms, which are not remembered and remember. Specifically:

Addition

This is the simplest calculation when we perform the cumulative terms of a certain row with a smaller result.

Example: 25 + 4 =

At this time 5 + 4 equals 9, writing 9

2 + 0 equals 2, writing 2

The calculation result is 29

Of which 25 is the first term, 4 is the second number, the sum of these two terms is 29.

Missing

This is considered an advanced addition with additions that when accumulated of certain types of goods, there will be a result greater than 10. At this time, we will remember the number of dozens towards the front row to perform the calculation.

Example: 38 + 6 =

We take 8 + 6 equals 14, write 4 remember 1

Continue, 3 + 0 equals 3, remember 1 equal to 4 writing 3

The calculation result is 44

Where 38 is the first term, 6 is the second number, the sum of these two terms is 44.

Forms of exercises related to common addition

For additional calculations in math will have many different types of exercises. But for children in grade 1, we will encounter some basic exercises as follows:

Form 1: Perform calculation

With this type of exercise, it is considered the most basic, they can be calculated and calculated. Therefore, they only need to perform the terms of the terms together according to the nature and rules of plus numbers from the unit to dozens to find the correct answer.

Example: 23 + 16 = 39

Form 2: Maths with words

Solution: First, they will have to read and analyze the problem carefully for the data, the quantity decreases or increases, the problem is given. Then based on the keywords of the article such as searching “remaining”, “all”, … and the requirements of the problem to determine the appropriate calculation.

Next will have to present the solution, calculation and write the correct answer. Finally, you will have to check the problem and results.

For example: A farmer raises 15 chickens and 5 dogs. Ask the farmer how many chickens and dogs?

Solution:

The farmer has all the chickens and dogs:

15 + 5 = 20 (child)

Answer: 20 children.

Form 3: Find the missing number in addition

Solution method: They will also have to perform the plus calculation from the unit to dozens. If it is the addition of 3 values, the problem indicates that two of the 3 values, we will calculate to find the missing value.

For example

5….+ 20 =… .6.

Prize:

Mental from the unit to tens of

Unit row: Which number plus 0 is equal to 6. We have: 6 + 0 = 6 so the number found is the number 6.

Tens: mental 5+2 = 7, so the number to fill in the remaining blanks is 7

So fill out the numbers in the blank to be calculated as follows:

56 + 20 = 76

Form 4: Comparison

With this form of exercise, we can calculate the sum of one side and then bring the comparison with the other side to fill in the seal>, <, = appropriate.

Example: 25 + 30 … 60

Solution: We take 25 + 30 = 55, when compared to 60 we get 55 <60 so 25 + 30 <60

The secret to helping children learn, memorize and apply knowledge about additional addition

Basically, addition is one of the basic calculations that your child will learn and get acquainted first. To help your child can learn this calculation well, parents can apply the following tips:

Create interest in learning math for children with Mầm non Cát Linh Math

Mầm non Cát Linh Math is known as the leading application of English math teaching in Vietnam, built on the standard Common Core State Standards of the US for preschool and elementary children. With this application will help children learn math in English to both help children develop mathematical thinking effectively and help children develop English language naturally.

Specifically, with the mathematical program with Mầm non Cát Linh Math will be compiled based on more than 60 math themes developed from 7 major topics from numbers, calculations and algebraic thinking, measurement, geometry, statistics and charts. All are integrated to form more than 400 lessons designed logically, closely with more than 100,000 interactive activities, so that they can learn, review and memorize knowledge more effectively.

In particular, before each lesson, children will watch funny cartoon videos about the lesson so that they can understand, visualize in a visual way, establish step by step thinking about awareness, language and help children grasp knowledge in the most natural way.

Ensuring, with Mầm non Cát Linh Math, I not only grasp the theory but also know how to apply to solve the problem, think problem solving and form the spirit of self -study effectively.

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Teach your child to learn addition through visual tools

For babies who are just starting to study addition, parents should use visual support tools from rods, Lego, Domino blocks, … or any favorite items they love to learn with their children easily.

Because when there is an intuitive tool, your baby will easily imagine it, as well as practice and create excitement when learning more effectively.

Teach your child to learn addition through the game

For children of the age of mathematics, it is usually from 3 to 10 years old. This is a rather playful age, so the application of math learning method through the game will be extremely effective for parents to deploy.

Here parents can organize games themselves such as counting objects, calculating money, counting fingers, going to the market … This will help children to be interested in learning math, as well as increase their ability to think and remember.

Together with children to do more addition exercises

In order to improve the effectiveness of mathematics for children, parents should practice and do regular exercises. Here you can let your baby do homework in class, combined with thinking of many problems in life, reality or searching on the Internet so that they have the opportunity to rub with many types of math. This will help develop your baby’s ability to learn math more and better.

Summary of some addition exercises for your baby to practice

Here are some appropriate addition exercises for new children to learn math that parents can practice with them:

Lesson 1: Class 2A has 34 students, class 2B has 29 students. Calculate the total number of students of 2A and 2B classes.

Lesson 2: An has 29 candies, Mom gives An 5 candy. How many candies are there now?

Lesson 3: Class 2A has 19 boys and 18 girls. Ask for class 2A how many students have.

Lesson 4: The first piece of wood is 17dm long, the second wood is 19dm long. If the third piece of wood is equal to the total length of the first two logs, how long is the third wooden pieces?

Lesson 5: There are 18 ducks and 14 chickens on the field. How many chickens and ducks on the field?

Lesson 6: On the field there are 18 girls and 15 male friends. How many men and women on the pitch?

Lesson 7: The first bookshelf has 7 books, the second bookshelf has 14 books. How many books how many books are there?

Lesson 8: Calculate mental

a. 26 + 5 =

b. 6 + 37 =

c. 56 + 6 =

d. 86 + 8 =

e. 57 + 18 =

f. 26 + 35 =

g. 67 + 26 =

h. 55 + 36 =

Lesson 9: Write the appropriate number in the blank:

Lesson 10: Fill in the appropriate number in the box:

Lesson 11: Enter the appropriate number in the blank:

a. …. + 9 = 16

b. 17 + …. = 38

c. 6 + …. = 14

d. …. + 5 = 18

e. 15 + …. = 27

f. …. + 7 = 12

Lesson 12: Fill the appropriate digit into the question mark (?)

a. ?? +? 6 = 31

b. 9? + ?? = 100

Lesson 13: Fill in the seal>, <, = in the dot

a. 15 … 5 + 7

b. 23 + 8 … 9 + 17

c. 35 … 20 + 7

d. 17 + 3 … 20

e. 23 + 23 … 15 + 11

Lesson 14: During the spring planting, block 9 planted 37 trees, block 8 planted 28 trees, block 7 planted 19 trees. Ask:

a) How many trees can be planted 9 and 8?

b) How many trees can all three blocks grow?

Lesson 15: Mother brought to the market to sell 78 oranges. In the morning, the mother sold 34 fruits, in the afternoon, 37 fruits were sold. Ask:

a) How many oranges can you sell in the morning?

b) How many oranges are left?

Conclude

Above is the basic knowledge about addition. Thereby can see this is the foundation of mathematics that they need to master to serve learning and application in real life. Hopefully, based on the above sharing, Mầm non Cát Linh will make your baby’s math learning easier and more effective.

References

Sum – Definition with Examples

https://www.splashlearn.com/math-vocabulary/addition/sum

Sum

https://byjus.com/maths/sum/