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e++ 能量餅


4.6 ( 8416 ratings )
Книги Образование
Разработчик Modern Educational Research Society, LTD
бесплатно

Students use energy biscuit model to design an expression involving directed numbers, and learn how to calculate the addition and subtraction of directed numbers.

Modern Educational Research Society develops a series of teaching tools and interactive App, to facilitate teachers in implementing scaffolding activities in class, and support students self-directed learning at home.