31 дек 2010 г. - In 3rd grade, we started to do multiplication with blue blocks.
Описание:
This is an example of Piages Concrete Operational stage by showing that I started to understand more complex problems, but still needed hands on learning and reasoning.Добавлено на ленту времени:
Дата:
31 дек 2010 г.
Сейчас
~ 14 г назад