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Collective order: Welcome group orders and use by the group. Please respect the author's intellectual property rights, and use the content of 123 Easy Teaching reasonably. ~~~ ~~~ 團購: 歡迎集體訂購使用.請尊重作者擁有智慧財產權, 合理的使用著作內容. ~~~



123 Easy Teaching is to explain the Addition, subtraction, multiplication, division, representation of various operational images, and the process of constructing arithmetic, to enhance children's understanding. The child is able to be familiar with the results of calculations, and leave a deep impression on the mind by reading 123 Easy Teaching .

Features of 123 Easy Teaching site 
This site is rendered

Part of 123 Easy Teaching
Part of the arithmetic exercise
Introducing the uniqueness of 123 Easy Teaching
Download and subscribe to the 123 Easy Teachingmethod description
Free arithmetic textbook, introduction of 123 Easy Teaching.

The 123 Easy Teaching  expression in native English written by some famous and professional American scholar.
For more, please refer to the "(+ − ×  ÷)  Door Open" from the menu " 123 Easy " , you can find more detailed explanations on 123 Easy Teaching.

© 2018 Huang Yu Chih. All rights reserved.

No password required.

*Amazon's eBook does not provide interactive features. 

1234 motion demo
Click here to continue your download.


123 (+ − × ÷) are all only numbers 1 2 3 4 5 6 7 

8 9 ..............,

and  + − × ÷ = , 

no language words.

Age 3-   worldwide.


123 + Suma : Sólo números 

123 + Optellen: Alleen cijfers

123 + Addizione: Solo numeri

123 + Addition: Nur Zahlen

123 + 加算, 数字のみ

123 + Addition: Seulement des chiffres

Arithmetic Addition on Mathematics : 123 +: math A+ ok, (+) Only Numerals, No Words


Arithmetic Addition on Mathematics : 123 +: math A+ ok, (+) Only Numerals, No Words

Arithmetic Addition on Mathematics : 123 +: math A+ ok, (+) Only Numerals, No Words

Arithmetic Addition on Mathematics : 123 +: math A+ ok, (+) Only Numerals, No Words




Can I order eBooks on Amazon?

It depends on where you are. The website links to Amazon ( ex. Amazon US) , if you are in the United Kingdom, the United States, India, etc., you can order Amazon to order e-books. However,

However, currently because the (amazon) e-book readers are temporarily unable to get interactive function on the e-book readers, it is recommended to consider before ordering.

What is the minimum amount of an order?

About 3.5USD  (, or 2.6 GBP or 4.5 CAD or 4.8 AUD or 5 NZD or 100 TWD.) 

If I donate, can I donate 30 TWD (US$1 ) ?

30 TWD (US$1 ) Donatation for a unit, if you have already ordered other items. 

120 TWD (US$4 ) Donatation is the minimum amount, if you do not have ordered other items. 

If the payment action has been completed but the payment confirmation has not been received, what is the problem?

It is recommended to go to other places in your mailbox to look for it. For example, you can find it in the location of the spam letter. If the email address is correct, you will receive the payment very soon (just in seconds). Confirmation, which will contain the password, as follows

If you are sure that your e-mail address is correct, you can't find the payment confirmation letter. Please tell me, I will resend you a password letter.
It is recommended that this twe@twe.com.tw (TWE Payment Online <twe@twe.com.tw> ) be added to the members of you contact person group to avoid the payment confirmation letter being classified as spam. I hope this method help you.


What's "  TWD currency  "?

For your reference,  Bank of Taiwan 2018,12,10,

American Dollar (USD) 1 USD =30.445 TWD
British Pound (GBP) 1 GBP =38.09 TWD 
Australian Dollar (AUD) 1 AUD =21.9 TWD
Canadian Dollar (CAD) 1 CAD =22.7 TWD
New Zealand Dollar (NZD) 1 NZD =20.78 TWD 
China Yen (CNY) 1 CNY =4.369 TWD


About copyright...

Intellectual property (IP) is a category of property that includes intangible creations of the human intellect, and primarily encompasses copyrights, ...

The main purpose of intellectual property law is to encourage the creation of a large variety of intellectual goods. To achieve this, the law gives people and businesses property rights to the information and intellectual goods they create. This gives economic incentive for their creation, because it allows people to profit from the information and intellectual goods they create.

Copyright infringement is reproducing, distributing, displaying or performing a work, or to make derivative works, without permission from the copyright holder, which is typically a publisher or other business representing or assigned by the work's creator. It is often called "piracy".

Any person who has not been licensed by the 123 Easy Teaching copyright owner to transmit the work by the telecommunications system and who is aware of or has reason to believe that the copyright infringing copy of the work will be transmitted shall be deemed infringed to123 Easy Teaching. Any copyright infringement, please write to us, countrysir@gmail.com. Try to use 123 Easy Teaching for the purpose of eduaction only. Please do not use it in profit-making business. Obey the national literacy of copyright, safeguard your ethical conduct and legal responsibilities, comply with copyright-related regulations, and not infringe copyrights to avoid punishment.


Thanks for your kind supports.

Thanks for your kind supports.

Thanks for your kind supports.