Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Получить премиум

Create a timeline

Public timelines

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

5 сент 2007 г. - I was taught how to do easy solving problems

Описание:

At school, my teacher showed me a shortcut on how to solve math problems such as using my fingers to count. The stage is called CONCRETE OPERATIONAL.

Добавлено на ленту времени:

Timeline Project by Anthony Perla

ByAnthony Perla

9 ноя 2017

0

0

671

Дата:

5 сент 2007 г.

Сейчас

~ 18 г назад

Изображения:

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL